Home / 5,451.09-8,176.68-3,253.20

Finding the Fourth Proportional to 5,451.09, 8,176.68 and 3,253.20

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Solution

The fourth proportional to 5,451.09, 8,176.68 and 3,253.20 is: 4,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.09 : 8,176.68 = 3,253.20 : x
  2. Step 2: Convert to fraction form
    5,451.09/8,176.68 = 3,253.20/x
  3. Step 3: Cross multiply
    5,451.09x = 8,176.68 × 3,253.20
  4. Step 4: Simplify right side
    5,451.09x = 26,600,375.38
  5. Step 5: Solve for x
    x = 26,600,375.38/5,451.09
  6. Step 6: Final answer
    x = 4,879.83

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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.