Home / 3,172.67-4,757.49-1,092.14

Finding the Fourth Proportional to 3,172.67, 4,757.49 and 1,092.14

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Solution

The fourth proportional to 3,172.67, 4,757.49 and 1,092.14 is: 1,637.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.67 : 4,757.49 = 1,092.14 : x
  2. Step 2: Convert to fraction form
    3,172.67/4,757.49 = 1,092.14/x
  3. Step 3: Cross multiply
    3,172.67x = 4,757.49 × 1,092.14
  4. Step 4: Simplify right side
    3,172.67x = 5,195,845.13
  5. Step 5: Solve for x
    x = 5,195,845.13/3,172.67
  6. Step 6: Final answer
    x = 1,637.69

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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.