Home / 5,518.82-8,282.39-2,922.34

Finding the Fourth Proportional to 5,518.82, 8,282.39 and 2,922.34

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Solution

The fourth proportional to 5,518.82, 8,282.39 and 2,922.34 is: 4,385.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.82 : 8,282.39 = 2,922.34 : x
  2. Step 2: Convert to fraction form
    5,518.82/8,282.39 = 2,922.34/x
  3. Step 3: Cross multiply
    5,518.82x = 8,282.39 × 2,922.34
  4. Step 4: Simplify right side
    5,518.82x = 24,203,959.59
  5. Step 5: Solve for x
    x = 24,203,959.59/5,518.82
  6. Step 6: Final answer
    x = 4,385.71

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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.