Home / 4,151.30-5,728.13-2,382.56

Finding the Fourth Proportional to 4,151.30, 5,728.13 and 2,382.56

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Solution

The fourth proportional to 4,151.30, 5,728.13 and 2,382.56 is: 3,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.30 : 5,728.13 = 2,382.56 : x
  2. Step 2: Convert to fraction form
    4,151.30/5,728.13 = 2,382.56/x
  3. Step 3: Cross multiply
    4,151.30x = 5,728.13 × 2,382.56
  4. Step 4: Simplify right side
    4,151.30x = 13,647,572.86
  5. Step 5: Solve for x
    x = 13,647,572.86/4,151.30
  6. Step 6: Final answer
    x = 3,287.55

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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.