Home / 3,174.62-4,380.96-1,777.37

Finding the Fourth Proportional to 3,174.62, 4,380.96 and 1,777.37

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Solution

The fourth proportional to 3,174.62, 4,380.96 and 1,777.37 is: 2,452.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.62 : 4,380.96 = 1,777.37 : x
  2. Step 2: Convert to fraction form
    3,174.62/4,380.96 = 1,777.37/x
  3. Step 3: Cross multiply
    3,174.62x = 4,380.96 × 1,777.37
  4. Step 4: Simplify right side
    3,174.62x = 7,786,571.64
  5. Step 5: Solve for x
    x = 7,786,571.64/3,174.62
  6. Step 6: Final answer
    x = 2,452.76

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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.