Home / 5,942.49-8,200.70-3,290.15

Finding the Fourth Proportional to 5,942.49, 8,200.70 and 3,290.15

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Solution

The fourth proportional to 5,942.49, 8,200.70 and 3,290.15 is: 4,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.49 : 8,200.70 = 3,290.15 : x
  2. Step 2: Convert to fraction form
    5,942.49/8,200.70 = 3,290.15/x
  3. Step 3: Cross multiply
    5,942.49x = 8,200.70 × 3,290.15
  4. Step 4: Simplify right side
    5,942.49x = 26,981,475.65
  5. Step 5: Solve for x
    x = 26,981,475.65/5,942.49
  6. Step 6: Final answer
    x = 4,540.43

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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.