Home / 10,505.49-15,757.82-2,608.02

Finding the Fourth Proportional to 10,505.49, 15,757.82 and 2,608.02

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Solution

The fourth proportional to 10,505.49, 15,757.82 and 2,608.02 is: 3,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.49 : 15,757.82 = 2,608.02 : x
  2. Step 2: Convert to fraction form
    10,505.49/15,757.82 = 2,608.02/x
  3. Step 3: Cross multiply
    10,505.49x = 15,757.82 × 2,608.02
  4. Step 4: Simplify right side
    10,505.49x = 41,096,696.68
  5. Step 5: Solve for x
    x = 41,096,696.68/10,505.49
  6. Step 6: Final answer
    x = 3,911.93

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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.