Home / 2,540.92-3,813.56-2,031.16

Finding the Fourth Proportional to 2,540.92, 3,813.56 and 2,031.16

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Solution

The fourth proportional to 2,540.92, 3,813.56 and 2,031.16 is: 3,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.92 : 3,813.56 = 2,031.16 : x
  2. Step 2: Convert to fraction form
    2,540.92/3,813.56 = 2,031.16/x
  3. Step 3: Cross multiply
    2,540.92x = 3,813.56 × 2,031.16
  4. Step 4: Simplify right side
    2,540.92x = 7,745,950.53
  5. Step 5: Solve for x
    x = 7,745,950.53/2,540.92
  6. Step 6: Final answer
    x = 3,048.48

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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.