Home / 5,388.15-8,080.66-2,268.13

Finding the Fourth Proportional to 5,388.15, 8,080.66 and 2,268.13

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Solution

The fourth proportional to 5,388.15, 8,080.66 and 2,268.13 is: 3,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.15 : 8,080.66 = 2,268.13 : x
  2. Step 2: Convert to fraction form
    5,388.15/8,080.66 = 2,268.13/x
  3. Step 3: Cross multiply
    5,388.15x = 8,080.66 × 2,268.13
  4. Step 4: Simplify right side
    5,388.15x = 18,327,962.42
  5. Step 5: Solve for x
    x = 18,327,962.42/5,388.15
  6. Step 6: Final answer
    x = 3,401.53

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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.