Home / 7,551.29-11,323.42-2,872.17

Finding the Fourth Proportional to 7,551.29, 11,323.42 and 2,872.17

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Solution

The fourth proportional to 7,551.29, 11,323.42 and 2,872.17 is: 4,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.29 : 11,323.42 = 2,872.17 : x
  2. Step 2: Convert to fraction form
    7,551.29/11,323.42 = 2,872.17/x
  3. Step 3: Cross multiply
    7,551.29x = 11,323.42 × 2,872.17
  4. Step 4: Simplify right side
    7,551.29x = 32,522,772.86
  5. Step 5: Solve for x
    x = 32,522,772.86/7,551.29
  6. Step 6: Final answer
    x = 4,306.92

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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.