Home / 5,785.46-7,983.97-3,132.88

Finding the Fourth Proportional to 5,785.46, 7,983.97 and 3,132.88

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Solution

The fourth proportional to 5,785.46, 7,983.97 and 3,132.88 is: 4,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.46 : 7,983.97 = 3,132.88 : x
  2. Step 2: Convert to fraction form
    5,785.46/7,983.97 = 3,132.88/x
  3. Step 3: Cross multiply
    5,785.46x = 7,983.97 × 3,132.88
  4. Step 4: Simplify right side
    5,785.46x = 25,012,822.08
  5. Step 5: Solve for x
    x = 25,012,822.08/5,785.46
  6. Step 6: Final answer
    x = 4,323.39

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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.