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Finding the Fourth Proportional to 4,375.82, 6,566.80 and 3,957.55

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Solution

The fourth proportional to 4,375.82, 6,566.80 and 3,957.55 is: 5,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375.82 : 6,566.80 = 3,957.55 : x
  2. Step 2: Convert to fraction form
    4,375.82/6,566.80 = 3,957.55/x
  3. Step 3: Cross multiply
    4,375.82x = 6,566.80 × 3,957.55
  4. Step 4: Simplify right side
    4,375.82x = 25,988,439.34
  5. Step 5: Solve for x
    x = 25,988,439.34/4,375.82
  6. Step 6: Final answer
    x = 5,939.10

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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.