Home / 7,759.98-11,634.78-2,829

Finding the Fourth Proportional to 7,759.98, 11,634.78 and 2,829

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Solution

The fourth proportional to 7,759.98, 11,634.78 and 2,829 is: 4,241.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.98 : 11,634.78 = 2,829 : x
  2. Step 2: Convert to fraction form
    7,759.98/11,634.78 = 2,829/x
  3. Step 3: Cross multiply
    7,759.98x = 11,634.78 × 2,829
  4. Step 4: Simplify right side
    7,759.98x = 32,914,792.62
  5. Step 5: Solve for x
    x = 32,914,792.62/7,759.98
  6. Step 6: Final answer
    x = 4,241.61

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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.