Finding the Fourth Proportional to 5,352,383.29, 7,382,929.26 and 3,175,385.17
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Solution
The fourth proportional to 5,352,383.29, 7,382,929.26 and 3,175,385.17 is: 4,380,038.35
Step by Step Solution
- Step 1: Write the proportion equation
5,352,383.29 : 7,382,929.26 = 3,175,385.17 : x - Step 2: Convert to fraction form
5,352,383.29/7,382,929.26 = 3,175,385.17/x - Step 3: Cross multiply
5,352,383.29x = 7,382,929.26 × 3,175,385.17 - Step 4: Simplify right side
5,352,383.29x = 23,443,644,083,363.07 - Step 5: Solve for x
x = 23,443,644,083,363.07/5,352,383.29 - Step 6: Final answer
x = 4,380,038.35
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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.