Home / 5,785.05-7,983.36-3,132.46

Finding the Fourth Proportional to 5,785.05, 7,983.36 and 3,132.46

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Solution

The fourth proportional to 5,785.05, 7,983.36 and 3,132.46 is: 4,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.05 : 7,983.36 = 3,132.46 : x
  2. Step 2: Convert to fraction form
    5,785.05/7,983.36 = 3,132.46/x
  3. Step 3: Cross multiply
    5,785.05x = 7,983.36 × 3,132.46
  4. Step 4: Simplify right side
    5,785.05x = 25,007,535.91
  5. Step 5: Solve for x
    x = 25,007,535.91/5,785.05
  6. Step 6: Final answer
    x = 4,322.79

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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.