Home / 3,422.27-4,723.62-2,230.53

Finding the Fourth Proportional to 3,422.27, 4,723.62 and 2,230.53

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Solution

The fourth proportional to 3,422.27, 4,723.62 and 2,230.53 is: 3,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.27 : 4,723.62 = 2,230.53 : x
  2. Step 2: Convert to fraction form
    3,422.27/4,723.62 = 2,230.53/x
  3. Step 3: Cross multiply
    3,422.27x = 4,723.62 × 2,230.53
  4. Step 4: Simplify right side
    3,422.27x = 10,536,176.12
  5. Step 5: Solve for x
    x = 10,536,176.12/3,422.27
  6. Step 6: Final answer
    x = 3,078.71

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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.