Home / 3,078.53-4,251.91-2,242.97

Finding the Fourth Proportional to 3,078.53, 4,251.91 and 2,242.97

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Solution

The fourth proportional to 3,078.53, 4,251.91 and 2,242.97 is: 3,097.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.53 : 4,251.91 = 2,242.97 : x
  2. Step 2: Convert to fraction form
    3,078.53/4,251.91 = 2,242.97/x
  3. Step 3: Cross multiply
    3,078.53x = 4,251.91 × 2,242.97
  4. Step 4: Simplify right side
    3,078.53x = 9,536,906.57
  5. Step 5: Solve for x
    x = 9,536,906.57/3,078.53
  6. Step 6: Final answer
    x = 3,097.88

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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.