Home / 5,135.92-7,696.44-2,793.94

Finding the Fourth Proportional to 5,135.92, 7,696.44 and 2,793.94

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Solution

The fourth proportional to 5,135.92, 7,696.44 and 2,793.94 is: 4,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.92 : 7,696.44 = 2,793.94 : x
  2. Step 2: Convert to fraction form
    5,135.92/7,696.44 = 2,793.94/x
  3. Step 3: Cross multiply
    5,135.92x = 7,696.44 × 2,793.94
  4. Step 4: Simplify right side
    5,135.92x = 21,503,391.57
  5. Step 5: Solve for x
    x = 21,503,391.57/5,135.92
  6. Step 6: Final answer
    x = 4,186.86

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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.