Finding the Fourth Proportional to 5,757,126.97, 7,938,358.29 and 4,707,272.67
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Solution
The fourth proportional to 5,757,126.97, 7,938,358.29 and 4,707,272.67 is: 6,490,740.47
Step by Step Solution
- Step 1: Write the proportion equation
5,757,126.97 : 7,938,358.29 = 4,707,272.67 : x - Step 2: Convert to fraction form
5,757,126.97/7,938,358.29 = 4,707,272.67/x - Step 3: Cross multiply
5,757,126.97x = 7,938,358.29 × 4,707,272.67 - Step 4: Simplify right side
5,757,126.97x = 37,368,017,023,184.94 - Step 5: Solve for x
x = 37,368,017,023,184.94/5,757,126.97 - Step 6: Final answer
x = 6,490,740.47
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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.