Home / 2,961.28-4,443.54-2,229.04

Finding the Fourth Proportional to 2,961.28, 4,443.54 and 2,229.04

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Solution

The fourth proportional to 2,961.28, 4,443.54 and 2,229.04 is: 3,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.28 : 4,443.54 = 2,229.04 : x
  2. Step 2: Convert to fraction form
    2,961.28/4,443.54 = 2,229.04/x
  3. Step 3: Cross multiply
    2,961.28x = 4,443.54 × 2,229.04
  4. Step 4: Simplify right side
    2,961.28x = 9,904,828.40
  5. Step 5: Solve for x
    x = 9,904,828.40/2,961.28
  6. Step 6: Final answer
    x = 3,344.78

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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.