Home / 6,933.78-10,399.39-2,002.20

Finding the Fourth Proportional to 6,933.78, 10,399.39 and 2,002.20

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Solution

The fourth proportional to 6,933.78, 10,399.39 and 2,002.20 is: 3,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,933.78 : 10,399.39 = 2,002.20 : x
  2. Step 2: Convert to fraction form
    6,933.78/10,399.39 = 2,002.20/x
  3. Step 3: Cross multiply
    6,933.78x = 10,399.39 × 2,002.20
  4. Step 4: Simplify right side
    6,933.78x = 20,821,658.66
  5. Step 5: Solve for x
    x = 20,821,658.66/6,933.78
  6. Step 6: Final answer
    x = 3,002.93

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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.