Home / 5,174.62-7,141.44-2,936.59

Finding the Fourth Proportional to 5,174.62, 7,141.44 and 2,936.59

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Solution

The fourth proportional to 5,174.62, 7,141.44 and 2,936.59 is: 4,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.62 : 7,141.44 = 2,936.59 : x
  2. Step 2: Convert to fraction form
    5,174.62/7,141.44 = 2,936.59/x
  3. Step 3: Cross multiply
    5,174.62x = 7,141.44 × 2,936.59
  4. Step 4: Simplify right side
    5,174.62x = 20,971,481.29
  5. Step 5: Solve for x
    x = 20,971,481.29/5,174.62
  6. Step 6: Final answer
    x = 4,052.76

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1.5x scale

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.