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Finding the Fourth Proportional to 3,635.28, 5,015.28 and 2,375.92

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Solution

The fourth proportional to 3,635.28, 5,015.28 and 2,375.92 is: 3,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.28 : 5,015.28 = 2,375.92 : x
  2. Step 2: Convert to fraction form
    3,635.28/5,015.28 = 2,375.92/x
  3. Step 3: Cross multiply
    3,635.28x = 5,015.28 × 2,375.92
  4. Step 4: Simplify right side
    3,635.28x = 11,915,904.06
  5. Step 5: Solve for x
    x = 11,915,904.06/3,635.28
  6. Step 6: Final answer
    x = 3,277.85

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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.