Home / 3,172.87-4,755.92-1,092.29

Finding the Fourth Proportional to 3,172.87, 4,755.92 and 1,092.29

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Solution

The fourth proportional to 3,172.87, 4,755.92 and 1,092.29 is: 1,637.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.87 : 4,755.92 = 1,092.29 : x
  2. Step 2: Convert to fraction form
    3,172.87/4,755.92 = 1,092.29/x
  3. Step 3: Cross multiply
    3,172.87x = 4,755.92 × 1,092.29
  4. Step 4: Simplify right side
    3,172.87x = 5,194,814.62
  5. Step 5: Solve for x
    x = 5,194,814.62/3,172.87
  6. Step 6: Final answer
    x = 1,637.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.