Home / 5,179.26-7,799.34-3,728.58

Finding the Fourth Proportional to 5,179.26, 7,799.34 and 3,728.58

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Solution

The fourth proportional to 5,179.26, 7,799.34 and 3,728.58 is: 5,614.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.26 : 7,799.34 = 3,728.58 : x
  2. Step 2: Convert to fraction form
    5,179.26/7,799.34 = 3,728.58/x
  3. Step 3: Cross multiply
    5,179.26x = 7,799.34 × 3,728.58
  4. Step 4: Simplify right side
    5,179.26x = 29,080,463.14
  5. Step 5: Solve for x
    x = 29,080,463.14/5,179.26
  6. Step 6: Final answer
    x = 5,614.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.