Home / 5,819.52-8,729.64-3,183.60

Finding the Fourth Proportional to 5,819.52, 8,729.64 and 3,183.60

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Solution

The fourth proportional to 5,819.52, 8,729.64 and 3,183.60 is: 4,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.52 : 8,729.64 = 3,183.60 : x
  2. Step 2: Convert to fraction form
    5,819.52/8,729.64 = 3,183.60/x
  3. Step 3: Cross multiply
    5,819.52x = 8,729.64 × 3,183.60
  4. Step 4: Simplify right side
    5,819.52x = 27,791,681.90
  5. Step 5: Solve for x
    x = 27,791,681.90/5,819.52
  6. Step 6: Final answer
    x = 4,775.60

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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.