Home / 2,540.14-3,811.22-896.85

Finding the Fourth Proportional to 2,540.14, 3,811.22 and 896.85

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Solution

The fourth proportional to 2,540.14, 3,811.22 and 896.85 is: 1,345.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.14 : 3,811.22 = 896.85 : x
  2. Step 2: Convert to fraction form
    2,540.14/3,811.22 = 896.85/x
  3. Step 3: Cross multiply
    2,540.14x = 3,811.22 × 896.85
  4. Step 4: Simplify right side
    2,540.14x = 3,418,078.64
  5. Step 5: Solve for x
    x = 3,418,078.64/2,540.14
  6. Step 6: Final answer
    x = 1,345.63

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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.