Home / 5,229.75-7,846.76-2,763.91

Finding the Fourth Proportional to 5,229.75, 7,846.76 and 2,763.91

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Solution

The fourth proportional to 5,229.75, 7,846.76 and 2,763.91 is: 4,146.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.75 : 7,846.76 = 2,763.91 : x
  2. Step 2: Convert to fraction form
    5,229.75/7,846.76 = 2,763.91/x
  3. Step 3: Cross multiply
    5,229.75x = 7,846.76 × 2,763.91
  4. Step 4: Simplify right side
    5,229.75x = 21,687,738.43
  5. Step 5: Solve for x
    x = 21,687,738.43/5,229.75
  6. Step 6: Final answer
    x = 4,146.99

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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.