Home / 5,116.38-7,058.89-4,170.54

Finding the Fourth Proportional to 5,116.38, 7,058.89 and 4,170.54

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Solution

The fourth proportional to 5,116.38, 7,058.89 and 4,170.54 is: 5,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.38 : 7,058.89 = 4,170.54 : x
  2. Step 2: Convert to fraction form
    5,116.38/7,058.89 = 4,170.54/x
  3. Step 3: Cross multiply
    5,116.38x = 7,058.89 × 4,170.54
  4. Step 4: Simplify right side
    5,116.38x = 29,439,383.10
  5. Step 5: Solve for x
    x = 29,439,383.10/5,116.38
  6. Step 6: Final answer
    x = 5,753.95

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.