Home / 5,881.78-8,116.85-3,229.19

Finding the Fourth Proportional to 5,881.78, 8,116.85 and 3,229.19

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Solution

The fourth proportional to 5,881.78, 8,116.85 and 3,229.19 is: 4,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.78 : 8,116.85 = 3,229.19 : x
  2. Step 2: Convert to fraction form
    5,881.78/8,116.85 = 3,229.19/x
  3. Step 3: Cross multiply
    5,881.78x = 8,116.85 × 3,229.19
  4. Step 4: Simplify right side
    5,881.78x = 26,210,850.85
  5. Step 5: Solve for x
    x = 26,210,850.85/5,881.78
  6. Step 6: Final answer
    x = 4,456.28

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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.