Home / 3,131.26-4,691.67-2,204.86

Finding the Fourth Proportional to 3,131.26, 4,691.67 and 2,204.86

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Solution

The fourth proportional to 3,131.26, 4,691.67 and 2,204.86 is: 3,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.26 : 4,691.67 = 2,204.86 : x
  2. Step 2: Convert to fraction form
    3,131.26/4,691.67 = 2,204.86/x
  3. Step 3: Cross multiply
    3,131.26x = 4,691.67 × 2,204.86
  4. Step 4: Simplify right side
    3,131.26x = 10,344,475.52
  5. Step 5: Solve for x
    x = 10,344,475.52/3,131.26
  6. Step 6: Final answer
    x = 3,303.61

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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.