Home / 6,921.73-9,552-3,777.94

Finding the Fourth Proportional to 6,921.73, 9,552 and 3,777.94

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Solution

The fourth proportional to 6,921.73, 9,552 and 3,777.94 is: 5,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.73 : 9,552 = 3,777.94 : x
  2. Step 2: Convert to fraction form
    6,921.73/9,552 = 3,777.94/x
  3. Step 3: Cross multiply
    6,921.73x = 9,552 × 3,777.94
  4. Step 4: Simplify right side
    6,921.73x = 36,086,882.88
  5. Step 5: Solve for x
    x = 36,086,882.88/6,921.73
  6. Step 6: Final answer
    x = 5,213.56

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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.