Home / 5,448.91-8,173.82-2,162.03

Finding the Fourth Proportional to 5,448.91, 8,173.82 and 2,162.03

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Solution

The fourth proportional to 5,448.91, 8,173.82 and 2,162.03 is: 3,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.91 : 8,173.82 = 2,162.03 : x
  2. Step 2: Convert to fraction form
    5,448.91/8,173.82 = 2,162.03/x
  3. Step 3: Cross multiply
    5,448.91x = 8,173.82 × 2,162.03
  4. Step 4: Simplify right side
    5,448.91x = 17,672,044.05
  5. Step 5: Solve for x
    x = 17,672,044.05/5,448.91
  6. Step 6: Final answer
    x = 3,243.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.