Home / 5,880.76-8,115.54-3,228.13

Finding the Fourth Proportional to 5,880.76, 8,115.54 and 3,228.13

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Solution

The fourth proportional to 5,880.76, 8,115.54 and 3,228.13 is: 4,454.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.76 : 8,115.54 = 3,228.13 : x
  2. Step 2: Convert to fraction form
    5,880.76/8,115.54 = 3,228.13/x
  3. Step 3: Cross multiply
    5,880.76x = 8,115.54 × 3,228.13
  4. Step 4: Simplify right side
    5,880.76x = 26,198,018.14
  5. Step 5: Solve for x
    x = 26,198,018.14/5,880.76
  6. Step 6: Final answer
    x = 4,454.87

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Half scale
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Double scale
Find fourth proportional to 5,881.76, 8,116.92 and 3,229.13
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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.