Home / 5,734-7,908.60-3,968.56

Finding the Fourth Proportional to 5,734, 7,908.60 and 3,968.56

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Solution

The fourth proportional to 5,734, 7,908.60 and 3,968.56 is: 5,473.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,734 : 7,908.60 = 3,968.56 : x
  2. Step 2: Convert to fraction form
    5,734/7,908.60 = 3,968.56/x
  3. Step 3: Cross multiply
    5,734x = 7,908.60 × 3,968.56
  4. Step 4: Simplify right side
    5,734x = 31,385,753.62
  5. Step 5: Solve for x
    x = 31,385,753.62/5,734
  6. Step 6: Final answer
    x = 5,473.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.