Home / 5,519.88-7,617.45-3,002.01

Finding the Fourth Proportional to 5,519.88, 7,617.45 and 3,002.01

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Solution

The fourth proportional to 5,519.88, 7,617.45 and 3,002.01 is: 4,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.88 : 7,617.45 = 3,002.01 : x
  2. Step 2: Convert to fraction form
    5,519.88/7,617.45 = 3,002.01/x
  3. Step 3: Cross multiply
    5,519.88x = 7,617.45 × 3,002.01
  4. Step 4: Simplify right side
    5,519.88x = 22,867,661.07
  5. Step 5: Solve for x
    x = 22,867,661.07/5,519.88
  6. Step 6: Final answer
    x = 4,142.78

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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.