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Finding the Fourth Proportional to 3,753.44, 5,630.88 and 1,155.92

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Solution

The fourth proportional to 3,753.44, 5,630.88 and 1,155.92 is: 1,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.44 : 5,630.88 = 1,155.92 : x
  2. Step 2: Convert to fraction form
    3,753.44/5,630.88 = 1,155.92/x
  3. Step 3: Cross multiply
    3,753.44x = 5,630.88 × 1,155.92
  4. Step 4: Simplify right side
    3,753.44x = 6,508,846.81
  5. Step 5: Solve for x
    x = 6,508,846.81/3,753.44
  6. Step 6: Final answer
    x = 1,734.10

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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.