Home / 7,156.60-10,737.24-3,691.36

Finding the Fourth Proportional to 7,156.60, 10,737.24 and 3,691.36

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Solution

The fourth proportional to 7,156.60, 10,737.24 and 3,691.36 is: 5,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.60 : 10,737.24 = 3,691.36 : x
  2. Step 2: Convert to fraction form
    7,156.60/10,737.24 = 3,691.36/x
  3. Step 3: Cross multiply
    7,156.60x = 10,737.24 × 3,691.36
  4. Step 4: Simplify right side
    7,156.60x = 39,635,018.25
  5. Step 5: Solve for x
    x = 39,635,018.25/7,156.60
  6. Step 6: Final answer
    x = 5,538.25

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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.