Home / 5,481.73-8,223.82-2,558.44

Finding the Fourth Proportional to 5,481.73, 8,223.82 and 2,558.44

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Solution

The fourth proportional to 5,481.73, 8,223.82 and 2,558.44 is: 3,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.73 : 8,223.82 = 2,558.44 : x
  2. Step 2: Convert to fraction form
    5,481.73/8,223.82 = 2,558.44/x
  3. Step 3: Cross multiply
    5,481.73x = 8,223.82 × 2,558.44
  4. Step 4: Simplify right side
    5,481.73x = 21,040,168.32
  5. Step 5: Solve for x
    x = 21,040,168.32/5,481.73
  6. Step 6: Final answer
    x = 3,838.23

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1.5x scale

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.