Home / 2,757.48-4,138.78-2,694.12

Finding the Fourth Proportional to 2,757.48, 4,138.78 and 2,694.12

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Solution

The fourth proportional to 2,757.48, 4,138.78 and 2,694.12 is: 4,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.48 : 4,138.78 = 2,694.12 : x
  2. Step 2: Convert to fraction form
    2,757.48/4,138.78 = 2,694.12/x
  3. Step 3: Cross multiply
    2,757.48x = 4,138.78 × 2,694.12
  4. Step 4: Simplify right side
    2,757.48x = 11,150,369.97
  5. Step 5: Solve for x
    x = 11,150,369.97/2,757.48
  6. Step 6: Final answer
    x = 4,043.68

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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.