Home / 5,412.26-8,118.38-2,493.02

Finding the Fourth Proportional to 5,412.26, 8,118.38 and 2,493.02

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Solution

The fourth proportional to 5,412.26, 8,118.38 and 2,493.02 is: 3,739.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.26 : 8,118.38 = 2,493.02 : x
  2. Step 2: Convert to fraction form
    5,412.26/8,118.38 = 2,493.02/x
  3. Step 3: Cross multiply
    5,412.26x = 8,118.38 × 2,493.02
  4. Step 4: Simplify right side
    5,412.26x = 20,239,249.35
  5. Step 5: Solve for x
    x = 20,239,249.35/5,412.26
  6. Step 6: Final answer
    x = 3,739.52

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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.