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Finding the Fourth Proportional to 3,963.90, 5,928.03 and 3,527.73

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Solution

The fourth proportional to 3,963.90, 5,928.03 and 3,527.73 is: 5,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.90 : 5,928.03 = 3,527.73 : x
  2. Step 2: Convert to fraction form
    3,963.90/5,928.03 = 3,527.73/x
  3. Step 3: Cross multiply
    3,963.90x = 5,928.03 × 3,527.73
  4. Step 4: Simplify right side
    3,963.90x = 20,912,489.27
  5. Step 5: Solve for x
    x = 20,912,489.27/3,963.90
  6. Step 6: Final answer
    x = 5,275.74

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1.5x scale

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.