Home / 5,486.46-8,229.50-2,198.66

Finding the Fourth Proportional to 5,486.46, 8,229.50 and 2,198.66

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Solution

The fourth proportional to 5,486.46, 8,229.50 and 2,198.66 is: 3,297.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.46 : 8,229.50 = 2,198.66 : x
  2. Step 2: Convert to fraction form
    5,486.46/8,229.50 = 2,198.66/x
  3. Step 3: Cross multiply
    5,486.46x = 8,229.50 × 2,198.66
  4. Step 4: Simplify right side
    5,486.46x = 18,093,872.47
  5. Step 5: Solve for x
    x = 18,093,872.47/5,486.46
  6. Step 6: Final answer
    x = 3,297.91

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Double scale
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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.