Home / 5,372.72-8,059.26-3,819.68

Finding the Fourth Proportional to 5,372.72, 8,059.26 and 3,819.68

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Solution

The fourth proportional to 5,372.72, 8,059.26 and 3,819.68 is: 5,729.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.72 : 8,059.26 = 3,819.68 : x
  2. Step 2: Convert to fraction form
    5,372.72/8,059.26 = 3,819.68/x
  3. Step 3: Cross multiply
    5,372.72x = 8,059.26 × 3,819.68
  4. Step 4: Simplify right side
    5,372.72x = 30,783,794.24
  5. Step 5: Solve for x
    x = 30,783,794.24/5,372.72
  6. Step 6: Final answer
    x = 5,729.65

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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.