Home / 5,785.32-7,983.78-3,132.75

Finding the Fourth Proportional to 5,785.32, 7,983.78 and 3,132.75

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Solution

The fourth proportional to 5,785.32, 7,983.78 and 3,132.75 is: 4,323.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.32 : 7,983.78 = 3,132.75 : x
  2. Step 2: Convert to fraction form
    5,785.32/7,983.78 = 3,132.75/x
  3. Step 3: Cross multiply
    5,785.32x = 7,983.78 × 3,132.75
  4. Step 4: Simplify right side
    5,785.32x = 25,011,186.80
  5. Step 5: Solve for x
    x = 25,011,186.80/5,785.32
  6. Step 6: Final answer
    x = 4,323.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.