Home / 2,760.24-3,805.20-2,202.48

Finding the Fourth Proportional to 2,760.24, 3,805.20 and 2,202.48

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Solution

The fourth proportional to 2,760.24, 3,805.20 and 2,202.48 is: 3,036.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.24 : 3,805.20 = 2,202.48 : x
  2. Step 2: Convert to fraction form
    2,760.24/3,805.20 = 2,202.48/x
  3. Step 3: Cross multiply
    2,760.24x = 3,805.20 × 2,202.48
  4. Step 4: Simplify right side
    2,760.24x = 8,380,876.90
  5. Step 5: Solve for x
    x = 8,380,876.90/2,760.24
  6. Step 6: Final answer
    x = 3,036.29

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1.5x scale

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.