Learn how to solve a proportion by applying cross multiplication
Brian McLogan・2 minutes read
The instructor explains two methods for solving proportions, stressing the importance of using parentheses when multiplying terms. By carefully following the steps and isolating the variable, the correct solution can be found while maintaining accuracy in calculations.
Insights
- When solving proportions, it is crucial to use either the least common denominator (LCD) method or cross multiplying, while also emphasizing the necessity of using parentheses during term multiplication to ensure correct distribution and simplification.
- The key to solving proportions lies in meticulously following the steps of adding and subtracting terms on both sides of the equation, ultimately isolating the variable to obtain the final value. Accuracy in calculations and the proper utilization of parentheses are highlighted as essential for achieving the correct solution.
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Recent questions
How can I solve proportions?
By multiplying by LCD or cross multiplying.
Why is it important to use parentheses in math?
To correctly distribute and simplify terms.
What is the significance of isolating variables?
To determine the final value in equations.
How do I ensure correct outcomes in math calculations?
By maintaining accuracy and using proper methods.
What are the steps to follow when solving linear equations?
Add and subtract terms on both sides, isolate the variable.
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Summary
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Solving Proportions with Accuracy and Precision
- To solve the proportion, the instructor demonstrates two methods: multiplying by the least common denominator (LCD) or cross multiplying. Emphasizing the importance of using parentheses when multiplying terms, the instructor shows the step-by-step process of solving the linear equation created from the proportion, ensuring correct distribution and simplification to find the final solution.
- The solution to the proportion is found by carefully following the steps of adding and subtracting terms on both sides of the equation, isolating the variable to determine the final value. The instructor highlights the significance of maintaining accuracy in calculations and the proper use of parentheses to ensure the correct outcome in solving proportions.
