Home / 5,986.38-8,261.55-3,333.78

Finding the Fourth Proportional to 5,986.38, 8,261.55 and 3,333.78

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Solution

The fourth proportional to 5,986.38, 8,261.55 and 3,333.78 is: 4,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.38 : 8,261.55 = 3,333.78 : x
  2. Step 2: Convert to fraction form
    5,986.38/8,261.55 = 3,333.78/x
  3. Step 3: Cross multiply
    5,986.38x = 8,261.55 × 3,333.78
  4. Step 4: Simplify right side
    5,986.38x = 27,542,190.16
  5. Step 5: Solve for x
    x = 27,542,190.16/5,986.38
  6. Step 6: Final answer
    x = 4,600.81

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1.5x scale

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.