Home / 6,076.96-9,122.97-3,990.43

Finding the Fourth Proportional to 6,076.96, 9,122.97 and 3,990.43

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Solution

The fourth proportional to 6,076.96, 9,122.97 and 3,990.43 is: 5,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,076.96 : 9,122.97 = 3,990.43 : x
  2. Step 2: Convert to fraction form
    6,076.96/9,122.97 = 3,990.43/x
  3. Step 3: Cross multiply
    6,076.96x = 9,122.97 × 3,990.43
  4. Step 4: Simplify right side
    6,076.96x = 36,404,573.18
  5. Step 5: Solve for x
    x = 36,404,573.18/6,076.96
  6. Step 6: Final answer
    x = 5,990.59

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1.5x scale

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.