Home / 3,481.26-5,215.60-2,308.47

Finding the Fourth Proportional to 3,481.26, 5,215.60 and 2,308.47

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Solution

The fourth proportional to 3,481.26, 5,215.60 and 2,308.47 is: 3,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.26 : 5,215.60 = 2,308.47 : x
  2. Step 2: Convert to fraction form
    3,481.26/5,215.60 = 2,308.47/x
  3. Step 3: Cross multiply
    3,481.26x = 5,215.60 × 2,308.47
  4. Step 4: Simplify right side
    3,481.26x = 12,040,050.36
  5. Step 5: Solve for x
    x = 12,040,050.36/3,481.26
  6. Step 6: Final answer
    x = 3,458.53

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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.