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Finding the Fourth Proportional to 3,658.02, 5,487.02 and 1,193.08

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Solution

The fourth proportional to 3,658.02, 5,487.02 and 1,193.08 is: 1,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.02 : 5,487.02 = 1,193.08 : x
  2. Step 2: Convert to fraction form
    3,658.02/5,487.02 = 1,193.08/x
  3. Step 3: Cross multiply
    3,658.02x = 5,487.02 × 1,193.08
  4. Step 4: Simplify right side
    3,658.02x = 6,546,453.82
  5. Step 5: Solve for x
    x = 6,546,453.82/3,658.02
  6. Step 6: Final answer
    x = 1,789.62

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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.