Home / 5,412.47-7,469.42-3,174.03

Finding the Fourth Proportional to 5,412.47, 7,469.42 and 3,174.03

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Solution

The fourth proportional to 5,412.47, 7,469.42 and 3,174.03 is: 4,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.47 : 7,469.42 = 3,174.03 : x
  2. Step 2: Convert to fraction form
    5,412.47/7,469.42 = 3,174.03/x
  3. Step 3: Cross multiply
    5,412.47x = 7,469.42 × 3,174.03
  4. Step 4: Simplify right side
    5,412.47x = 23,708,147.29
  5. Step 5: Solve for x
    x = 23,708,147.29/5,412.47
  6. Step 6: Final answer
    x = 4,380.29

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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.