Home / 3,954.50-5,456.48-2,556.44

Finding the Fourth Proportional to 3,954.50, 5,456.48 and 2,556.44

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Solution

The fourth proportional to 3,954.50, 5,456.48 and 2,556.44 is: 3,527.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.50 : 5,456.48 = 2,556.44 : x
  2. Step 2: Convert to fraction form
    3,954.50/5,456.48 = 2,556.44/x
  3. Step 3: Cross multiply
    3,954.50x = 5,456.48 × 2,556.44
  4. Step 4: Simplify right side
    3,954.50x = 13,949,163.73
  5. Step 5: Solve for x
    x = 13,949,163.73/3,954.50
  6. Step 6: Final answer
    x = 3,527.42

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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.