Home / 3,171.38-4,375.43-1,843.99

Finding the Fourth Proportional to 3,171.38, 4,375.43 and 1,843.99

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Solution

The fourth proportional to 3,171.38, 4,375.43 and 1,843.99 is: 2,544.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.38 : 4,375.43 = 1,843.99 : x
  2. Step 2: Convert to fraction form
    3,171.38/4,375.43 = 1,843.99/x
  3. Step 3: Cross multiply
    3,171.38x = 4,375.43 × 1,843.99
  4. Step 4: Simplify right side
    3,171.38x = 8,068,249.17
  5. Step 5: Solve for x
    x = 8,068,249.17/3,171.38
  6. Step 6: Final answer
    x = 2,544.09

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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.