Home / 3,171.27-4,371.83-2,224.18

Finding the Fourth Proportional to 3,171.27, 4,371.83 and 2,224.18

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Solution

The fourth proportional to 3,171.27, 4,371.83 and 2,224.18 is: 3,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.27 : 4,371.83 = 2,224.18 : x
  2. Step 2: Convert to fraction form
    3,171.27/4,371.83 = 2,224.18/x
  3. Step 3: Cross multiply
    3,171.27x = 4,371.83 × 2,224.18
  4. Step 4: Simplify right side
    3,171.27x = 9,723,736.85
  5. Step 5: Solve for x
    x = 9,723,736.85/3,171.27
  6. Step 6: Final answer
    x = 3,066.20

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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.