Home / 5,318.92-7,340.24-3,081

Finding the Fourth Proportional to 5,318.92, 7,340.24 and 3,081

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Solution

The fourth proportional to 5,318.92, 7,340.24 and 3,081 is: 4,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.92 : 7,340.24 = 3,081 : x
  2. Step 2: Convert to fraction form
    5,318.92/7,340.24 = 3,081/x
  3. Step 3: Cross multiply
    5,318.92x = 7,340.24 × 3,081
  4. Step 4: Simplify right side
    5,318.92x = 22,615,279.44
  5. Step 5: Solve for x
    x = 22,615,279.44/5,318.92
  6. Step 6: Final answer
    x = 4,251.86

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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.