Home / 5,906.40-8,851.56-2,785.92

Finding the Fourth Proportional to 5,906.40, 8,851.56 and 2,785.92

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Solution

The fourth proportional to 5,906.40, 8,851.56 and 2,785.92 is: 4,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.40 : 8,851.56 = 2,785.92 : x
  2. Step 2: Convert to fraction form
    5,906.40/8,851.56 = 2,785.92/x
  3. Step 3: Cross multiply
    5,906.40x = 8,851.56 × 2,785.92
  4. Step 4: Simplify right side
    5,906.40x = 24,659,738.04
  5. Step 5: Solve for x
    x = 24,659,738.04/5,906.40
  6. Step 6: Final answer
    x = 4,175.09

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1.5x scale

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.