Home / 10,575.60-15,862.20-2,785.02

Finding the Fourth Proportional to 10,575.60, 15,862.20 and 2,785.02

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Solution

The fourth proportional to 10,575.60, 15,862.20 and 2,785.02 is: 4,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.60 : 15,862.20 = 2,785.02 : x
  2. Step 2: Convert to fraction form
    10,575.60/15,862.20 = 2,785.02/x
  3. Step 3: Cross multiply
    10,575.60x = 15,862.20 × 2,785.02
  4. Step 4: Simplify right side
    10,575.60x = 44,176,544.24
  5. Step 5: Solve for x
    x = 44,176,544.24/10,575.60
  6. Step 6: Final answer
    x = 4,177.21

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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.