Home / 3,034.13-4,184.91-2,139.71

Finding the Fourth Proportional to 3,034.13, 4,184.91 and 2,139.71

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Solution

The fourth proportional to 3,034.13, 4,184.91 and 2,139.71 is: 2,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.13 : 4,184.91 = 2,139.71 : x
  2. Step 2: Convert to fraction form
    3,034.13/4,184.91 = 2,139.71/x
  3. Step 3: Cross multiply
    3,034.13x = 4,184.91 × 2,139.71
  4. Step 4: Simplify right side
    3,034.13x = 8,954,472.85
  5. Step 5: Solve for x
    x = 8,954,472.85/3,034.13
  6. Step 6: Final answer
    x = 2,951.25

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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.