Home / 5,201.92-7,179.30-3,106

Finding the Fourth Proportional to 5,201.92, 7,179.30 and 3,106

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Solution

The fourth proportional to 5,201.92, 7,179.30 and 3,106 is: 4,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.92 : 7,179.30 = 3,106 : x
  2. Step 2: Convert to fraction form
    5,201.92/7,179.30 = 3,106/x
  3. Step 3: Cross multiply
    5,201.92x = 7,179.30 × 3,106
  4. Step 4: Simplify right side
    5,201.92x = 22,298,905.80
  5. Step 5: Solve for x
    x = 22,298,905.80/5,201.92
  6. Step 6: Final answer
    x = 4,286.67

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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.