Home / 2,247.24-3,370.96-786.54

Finding the Fourth Proportional to 2,247.24, 3,370.96 and 786.54

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Solution

The fourth proportional to 2,247.24, 3,370.96 and 786.54 is: 1,179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.24 : 3,370.96 = 786.54 : x
  2. Step 2: Convert to fraction form
    2,247.24/3,370.96 = 786.54/x
  3. Step 3: Cross multiply
    2,247.24x = 3,370.96 × 786.54
  4. Step 4: Simplify right side
    2,247.24x = 2,651,394.88
  5. Step 5: Solve for x
    x = 2,651,394.88/2,247.24
  6. Step 6: Final answer
    x = 1,179.85

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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.