Home / 5,412.72-7,468.44-3,174.96

Finding the Fourth Proportional to 5,412.72, 7,468.44 and 3,174.96

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Solution

The fourth proportional to 5,412.72, 7,468.44 and 3,174.96 is: 4,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.72 : 7,468.44 = 3,174.96 : x
  2. Step 2: Convert to fraction form
    5,412.72/7,468.44 = 3,174.96/x
  3. Step 3: Cross multiply
    5,412.72x = 7,468.44 × 3,174.96
  4. Step 4: Simplify right side
    5,412.72x = 23,711,998.26
  5. Step 5: Solve for x
    x = 23,711,998.26/5,412.72
  6. Step 6: Final answer
    x = 4,380.79

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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.