Home / 3,240.49-4,474.38-2,531.10

Finding the Fourth Proportional to 3,240.49, 4,474.38 and 2,531.10

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Solution

The fourth proportional to 3,240.49, 4,474.38 and 2,531.10 is: 3,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.49 : 4,474.38 = 2,531.10 : x
  2. Step 2: Convert to fraction form
    3,240.49/4,474.38 = 2,531.10/x
  3. Step 3: Cross multiply
    3,240.49x = 4,474.38 × 2,531.10
  4. Step 4: Simplify right side
    3,240.49x = 11,325,103.22
  5. Step 5: Solve for x
    x = 11,325,103.22/3,240.49
  6. Step 6: Final answer
    x = 3,494.87

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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.