Home / 5,871.92-8,103.24-3,219.44

Finding the Fourth Proportional to 5,871.92, 8,103.24 and 3,219.44

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Solution

The fourth proportional to 5,871.92, 8,103.24 and 3,219.44 is: 4,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.92 : 8,103.24 = 3,219.44 : x
  2. Step 2: Convert to fraction form
    5,871.92/8,103.24 = 3,219.44/x
  3. Step 3: Cross multiply
    5,871.92x = 8,103.24 × 3,219.44
  4. Step 4: Simplify right side
    5,871.92x = 26,087,894.99
  5. Step 5: Solve for x
    x = 26,087,894.99/5,871.92
  6. Step 6: Final answer
    x = 4,442.82

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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.