Home / 6,981.78-10,469.94-2,596.85

Finding the Fourth Proportional to 6,981.78, 10,469.94 and 2,596.85

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Solution

The fourth proportional to 6,981.78, 10,469.94 and 2,596.85 is: 3,894.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.78 : 10,469.94 = 2,596.85 : x
  2. Step 2: Convert to fraction form
    6,981.78/10,469.94 = 2,596.85/x
  3. Step 3: Cross multiply
    6,981.78x = 10,469.94 × 2,596.85
  4. Step 4: Simplify right side
    6,981.78x = 27,188,863.69
  5. Step 5: Solve for x
    x = 27,188,863.69/6,981.78
  6. Step 6: Final answer
    x = 3,894.26

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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.