Home / 4,531.88-6,251.12-3,274.78

Finding the Fourth Proportional to 4,531.88, 6,251.12 and 3,274.78

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Solution

The fourth proportional to 4,531.88, 6,251.12 and 3,274.78 is: 4,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,531.88 : 6,251.12 = 3,274.78 : x
  2. Step 2: Convert to fraction form
    4,531.88/6,251.12 = 3,274.78/x
  3. Step 3: Cross multiply
    4,531.88x = 6,251.12 × 3,274.78
  4. Step 4: Simplify right side
    4,531.88x = 20,471,042.75
  5. Step 5: Solve for x
    x = 20,471,042.75/4,531.88
  6. Step 6: Final answer
    x = 4,517.12

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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.