Home / 5,257.26-7,255.44-3,161.34

Finding the Fourth Proportional to 5,257.26, 7,255.44 and 3,161.34

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Solution

The fourth proportional to 5,257.26, 7,255.44 and 3,161.34 is: 4,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.26 : 7,255.44 = 3,161.34 : x
  2. Step 2: Convert to fraction form
    5,257.26/7,255.44 = 3,161.34/x
  3. Step 3: Cross multiply
    5,257.26x = 7,255.44 × 3,161.34
  4. Step 4: Simplify right side
    5,257.26x = 22,936,912.69
  5. Step 5: Solve for x
    x = 22,936,912.69/5,257.26
  6. Step 6: Final answer
    x = 4,362.90

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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.