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Finding the Fourth Proportional to 3,930.29, 5,895.44 and 1,008.62

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Solution

The fourth proportional to 3,930.29, 5,895.44 and 1,008.62 is: 1,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.29 : 5,895.44 = 1,008.62 : x
  2. Step 2: Convert to fraction form
    3,930.29/5,895.44 = 1,008.62/x
  3. Step 3: Cross multiply
    3,930.29x = 5,895.44 × 1,008.62
  4. Step 4: Simplify right side
    3,930.29x = 5,946,238.91
  5. Step 5: Solve for x
    x = 5,946,238.91/3,930.29
  6. Step 6: Final answer
    x = 1,512.93

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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.