Home / 5,539.13-8,310.20-2,419.42

Finding the Fourth Proportional to 5,539.13, 8,310.20 and 2,419.42

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Solution

The fourth proportional to 5,539.13, 8,310.20 and 2,419.42 is: 3,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.13 : 8,310.20 = 2,419.42 : x
  2. Step 2: Convert to fraction form
    5,539.13/8,310.20 = 2,419.42/x
  3. Step 3: Cross multiply
    5,539.13x = 8,310.20 × 2,419.42
  4. Step 4: Simplify right side
    5,539.13x = 20,105,846.79
  5. Step 5: Solve for x
    x = 20,105,846.79/5,539.13
  6. Step 6: Final answer
    x = 3,629.78

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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.