Finding the Fourth Proportional to 5,432,034.72, 7,493,397.12 and 3,689,794.08
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Solution
The fourth proportional to 5,432,034.72, 7,493,397.12 and 3,689,794.08 is: 5,090,006.56
Step by Step Solution
- Step 1: Write the proportion equation
5,432,034.72 : 7,493,397.12 = 3,689,794.08 : x - Step 2: Convert to fraction form
5,432,034.72/7,493,397.12 = 3,689,794.08/x - Step 3: Cross multiply
5,432,034.72x = 7,493,397.12 × 3,689,794.08 - Step 4: Simplify right side
5,432,034.72x = 27,649,092,332,465.05 - Step 5: Solve for x
x = 27,649,092,332,465.05/5,432,034.72 - Step 6: Final answer
x = 5,090,006.56
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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.