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Finding the Fourth Proportional to 3,964.42, 5,452.41 and 3,250.90

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Solution

The fourth proportional to 3,964.42, 5,452.41 and 3,250.90 is: 4,471.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.42 : 5,452.41 = 3,250.90 : x
  2. Step 2: Convert to fraction form
    3,964.42/5,452.41 = 3,250.90/x
  3. Step 3: Cross multiply
    3,964.42x = 5,452.41 × 3,250.90
  4. Step 4: Simplify right side
    3,964.42x = 17,725,239.67
  5. Step 5: Solve for x
    x = 17,725,239.67/3,964.42
  6. Step 6: Final answer
    x = 4,471.08

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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.