Home / 5,938.80-8,195.60-3,286.16

Finding the Fourth Proportional to 5,938.80, 8,195.60 and 3,286.16

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Solution

The fourth proportional to 5,938.80, 8,195.60 and 3,286.16 is: 4,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.80 : 8,195.60 = 3,286.16 : x
  2. Step 2: Convert to fraction form
    5,938.80/8,195.60 = 3,286.16/x
  3. Step 3: Cross multiply
    5,938.80x = 8,195.60 × 3,286.16
  4. Step 4: Simplify right side
    5,938.80x = 26,932,052.90
  5. Step 5: Solve for x
    x = 26,932,052.90/5,938.80
  6. Step 6: Final answer
    x = 4,534.93

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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.