Home / 7,481.57-11,222.54-3,581.69

Finding the Fourth Proportional to 7,481.57, 11,222.54 and 3,581.69

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Solution

The fourth proportional to 7,481.57, 11,222.54 and 3,581.69 is: 5,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.57 : 11,222.54 = 3,581.69 : x
  2. Step 2: Convert to fraction form
    7,481.57/11,222.54 = 3,581.69/x
  3. Step 3: Cross multiply
    7,481.57x = 11,222.54 × 3,581.69
  4. Step 4: Simplify right side
    7,481.57x = 40,195,659.29
  5. Step 5: Solve for x
    x = 40,195,659.29/7,481.57
  6. Step 6: Final answer
    x = 5,372.62

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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.