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Finding the Fourth Proportional to 3,758.56, 5,183.39 and 3,227.28

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Solution

The fourth proportional to 3,758.56, 5,183.39 and 3,227.28 is: 4,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.56 : 5,183.39 = 3,227.28 : x
  2. Step 2: Convert to fraction form
    3,758.56/5,183.39 = 3,227.28/x
  3. Step 3: Cross multiply
    3,758.56x = 5,183.39 × 3,227.28
  4. Step 4: Simplify right side
    3,758.56x = 16,728,250.88
  5. Step 5: Solve for x
    x = 16,728,250.88/3,758.56
  6. Step 6: Final answer
    x = 4,450.70

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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.