Home / 4,759.24-7,138.92-2,126.89

Finding the Fourth Proportional to 4,759.24, 7,138.92 and 2,126.89

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Solution

The fourth proportional to 4,759.24, 7,138.92 and 2,126.89 is: 3,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.24 : 7,138.92 = 2,126.89 : x
  2. Step 2: Convert to fraction form
    4,759.24/7,138.92 = 2,126.89/x
  3. Step 3: Cross multiply
    4,759.24x = 7,138.92 × 2,126.89
  4. Step 4: Simplify right side
    4,759.24x = 15,183,697.56
  5. Step 5: Solve for x
    x = 15,183,697.56/4,759.24
  6. Step 6: Final answer
    x = 3,190.36

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1.5x scale

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.