Home / 7,136.97-10,706.82-2,206.43

Finding the Fourth Proportional to 7,136.97, 10,706.82 and 2,206.43

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Solution

The fourth proportional to 7,136.97, 10,706.82 and 2,206.43 is: 3,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.97 : 10,706.82 = 2,206.43 : x
  2. Step 2: Convert to fraction form
    7,136.97/10,706.82 = 2,206.43/x
  3. Step 3: Cross multiply
    7,136.97x = 10,706.82 × 2,206.43
  4. Step 4: Simplify right side
    7,136.97x = 23,623,848.85
  5. Step 5: Solve for x
    x = 23,623,848.85/7,136.97
  6. Step 6: Final answer
    x = 3,310.07

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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.