Home / 3,862.41-5,330.20-2,183.71

Finding the Fourth Proportional to 3,862.41, 5,330.20 and 2,183.71

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Solution

The fourth proportional to 3,862.41, 5,330.20 and 2,183.71 is: 3,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.41 : 5,330.20 = 2,183.71 : x
  2. Step 2: Convert to fraction form
    3,862.41/5,330.20 = 2,183.71/x
  3. Step 3: Cross multiply
    3,862.41x = 5,330.20 × 2,183.71
  4. Step 4: Simplify right side
    3,862.41x = 11,639,611.04
  5. Step 5: Solve for x
    x = 11,639,611.04/3,862.41
  6. Step 6: Final answer
    x = 3,013.56

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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.