Home / 5,474.16-8,215.56-2,550.96

Finding the Fourth Proportional to 5,474.16, 8,215.56 and 2,550.96

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Solution

The fourth proportional to 5,474.16, 8,215.56 and 2,550.96 is: 3,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.16 : 8,215.56 = 2,550.96 : x
  2. Step 2: Convert to fraction form
    5,474.16/8,215.56 = 2,550.96/x
  3. Step 3: Cross multiply
    5,474.16x = 8,215.56 × 2,550.96
  4. Step 4: Simplify right side
    5,474.16x = 20,957,564.94
  5. Step 5: Solve for x
    x = 20,957,564.94/5,474.16
  6. Step 6: Final answer
    x = 3,828.45

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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.