Home / 5,079.28-7,010.32-2,983.52

Finding the Fourth Proportional to 5,079.28, 7,010.32 and 2,983.52

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Solution

The fourth proportional to 5,079.28, 7,010.32 and 2,983.52 is: 4,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.28 : 7,010.32 = 2,983.52 : x
  2. Step 2: Convert to fraction form
    5,079.28/7,010.32 = 2,983.52/x
  3. Step 3: Cross multiply
    5,079.28x = 7,010.32 × 2,983.52
  4. Step 4: Simplify right side
    5,079.28x = 20,915,429.93
  5. Step 5: Solve for x
    x = 20,915,429.93/5,079.28
  6. Step 6: Final answer
    x = 4,117.79

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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.