Home / 6,876.30-9,489.32-3,732.49

Finding the Fourth Proportional to 6,876.30, 9,489.32 and 3,732.49

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Solution

The fourth proportional to 6,876.30, 9,489.32 and 3,732.49 is: 5,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.30 : 9,489.32 = 3,732.49 : x
  2. Step 2: Convert to fraction form
    6,876.30/9,489.32 = 3,732.49/x
  3. Step 3: Cross multiply
    6,876.30x = 9,489.32 × 3,732.49
  4. Step 4: Simplify right side
    6,876.30x = 35,418,792.01
  5. Step 5: Solve for x
    x = 35,418,792.01/6,876.30
  6. Step 6: Final answer
    x = 5,150.85

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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.