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Finding the Fourth Proportional to 3,523.71, 4,862.85 and 1,951.84

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Solution

The fourth proportional to 3,523.71, 4,862.85 and 1,951.84 is: 2,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.71 : 4,862.85 = 1,951.84 : x
  2. Step 2: Convert to fraction form
    3,523.71/4,862.85 = 1,951.84/x
  3. Step 3: Cross multiply
    3,523.71x = 4,862.85 × 1,951.84
  4. Step 4: Simplify right side
    3,523.71x = 9,491,505.14
  5. Step 5: Solve for x
    x = 9,491,505.14/3,523.71
  6. Step 6: Final answer
    x = 2,693.61

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1.5x scale

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.