Finding the Fourth Proportional to 5,344,459.38, 7,370,591.86 and 4,167,350.07
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Solution
The fourth proportional to 5,344,459.38, 7,370,591.86 and 4,167,350.07 is: 5,747,229.85
Step by Step Solution
- Step 1: Write the proportion equation
5,344,459.38 : 7,370,591.86 = 4,167,350.07 : x - Step 2: Convert to fraction form
5,344,459.38/7,370,591.86 = 4,167,350.07/x - Step 3: Cross multiply
5,344,459.38x = 7,370,591.86 × 4,167,350.07 - Step 4: Simplify right side
5,344,459.38x = 30,715,836,481,281.90 - Step 5: Solve for x
x = 30,715,836,481,281.90/5,344,459.38 - Step 6: Final answer
x = 5,747,229.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.