Home / 5,942.78-8,201.23-3,290.43

Finding the Fourth Proportional to 5,942.78, 8,201.23 and 3,290.43

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Solution

The fourth proportional to 5,942.78, 8,201.23 and 3,290.43 is: 4,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.78 : 8,201.23 = 3,290.43 : x
  2. Step 2: Convert to fraction form
    5,942.78/8,201.23 = 3,290.43/x
  3. Step 3: Cross multiply
    5,942.78x = 8,201.23 × 3,290.43
  4. Step 4: Simplify right side
    5,942.78x = 26,985,573.23
  5. Step 5: Solve for x
    x = 26,985,573.23/5,942.78
  6. Step 6: Final answer
    x = 4,540.90

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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.