Home / 5,517.86-8,276.77-2,230.91

Finding the Fourth Proportional to 5,517.86, 8,276.77 and 2,230.91

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Solution

The fourth proportional to 5,517.86, 8,276.77 and 2,230.91 is: 3,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.86 : 8,276.77 = 2,230.91 : x
  2. Step 2: Convert to fraction form
    5,517.86/8,276.77 = 2,230.91/x
  3. Step 3: Cross multiply
    5,517.86x = 8,276.77 × 2,230.91
  4. Step 4: Simplify right side
    5,517.86x = 18,464,708.85
  5. Step 5: Solve for x
    x = 18,464,708.85/5,517.86
  6. Step 6: Final answer
    x = 3,346.36

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Double scale
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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.