Home / 4,227.24-5,831.96-2,811.57

Finding the Fourth Proportional to 4,227.24, 5,831.96 and 2,811.57

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Solution

The fourth proportional to 4,227.24, 5,831.96 and 2,811.57 is: 3,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.24 : 5,831.96 = 2,811.57 : x
  2. Step 2: Convert to fraction form
    4,227.24/5,831.96 = 2,811.57/x
  3. Step 3: Cross multiply
    4,227.24x = 5,831.96 × 2,811.57
  4. Step 4: Simplify right side
    4,227.24x = 16,396,963.78
  5. Step 5: Solve for x
    x = 16,396,963.78/4,227.24
  6. Step 6: Final answer
    x = 3,878.88

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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.