Home / 5,229.38-7,830.03-2,759.06

Finding the Fourth Proportional to 5,229.38, 7,830.03 and 2,759.06

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Solution

The fourth proportional to 5,229.38, 7,830.03 and 2,759.06 is: 4,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.38 : 7,830.03 = 2,759.06 : x
  2. Step 2: Convert to fraction form
    5,229.38/7,830.03 = 2,759.06/x
  3. Step 3: Cross multiply
    5,229.38x = 7,830.03 × 2,759.06
  4. Step 4: Simplify right side
    5,229.38x = 21,603,522.57
  5. Step 5: Solve for x
    x = 21,603,522.57/5,229.38
  6. Step 6: Final answer
    x = 4,131.18

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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.