Home / 3,433.68-5,140.44-2,615.04

Finding the Fourth Proportional to 3,433.68, 5,140.44 and 2,615.04

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Solution

The fourth proportional to 3,433.68, 5,140.44 and 2,615.04 is: 3,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.68 : 5,140.44 = 2,615.04 : x
  2. Step 2: Convert to fraction form
    3,433.68/5,140.44 = 2,615.04/x
  3. Step 3: Cross multiply
    3,433.68x = 5,140.44 × 2,615.04
  4. Step 4: Simplify right side
    3,433.68x = 13,442,456.22
  5. Step 5: Solve for x
    x = 13,442,456.22/3,433.68
  6. Step 6: Final answer
    x = 3,914.88

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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.