Home / 2,540.18-3,508.16-2,441.78

Finding the Fourth Proportional to 2,540.18, 3,508.16 and 2,441.78

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Solution

The fourth proportional to 2,540.18, 3,508.16 and 2,441.78 is: 3,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.18 : 3,508.16 = 2,441.78 : x
  2. Step 2: Convert to fraction form
    2,540.18/3,508.16 = 2,441.78/x
  3. Step 3: Cross multiply
    2,540.18x = 3,508.16 × 2,441.78
  4. Step 4: Simplify right side
    2,540.18x = 8,566,154.92
  5. Step 5: Solve for x
    x = 8,566,154.92/2,540.18
  6. Step 6: Final answer
    x = 3,372.26

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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.