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Finding the Fourth Proportional to 5,747.60, 8,621.40 and 3,902.44

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Solution

The fourth proportional to 5,747.60, 8,621.40 and 3,902.44 is: 5,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.60 : 8,621.40 = 3,902.44 : x
  2. Step 2: Convert to fraction form
    5,747.60/8,621.40 = 3,902.44/x
  3. Step 3: Cross multiply
    5,747.60x = 8,621.40 × 3,902.44
  4. Step 4: Simplify right side
    5,747.60x = 33,644,496.22
  5. Step 5: Solve for x
    x = 33,644,496.22/5,747.60
  6. Step 6: Final answer
    x = 5,853.66

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Similar ratio
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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.