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Finding the Fourth Proportional to 4,658.59, 6,987.89 and 3,193.30

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Solution

The fourth proportional to 4,658.59, 6,987.89 and 3,193.30 is: 4,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.59 : 6,987.89 = 3,193.30 : x
  2. Step 2: Convert to fraction form
    4,658.59/6,987.89 = 3,193.30/x
  3. Step 3: Cross multiply
    4,658.59x = 6,987.89 × 3,193.30
  4. Step 4: Simplify right side
    4,658.59x = 22,314,427.89
  5. Step 5: Solve for x
    x = 22,314,427.89/4,658.59
  6. Step 6: Final answer
    x = 4,789.95

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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.