Home / 5,851.37-8,074.62-3,198.78

Finding the Fourth Proportional to 5,851.37, 8,074.62 and 3,198.78

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Solution

The fourth proportional to 5,851.37, 8,074.62 and 3,198.78 is: 4,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.37 : 8,074.62 = 3,198.78 : x
  2. Step 2: Convert to fraction form
    5,851.37/8,074.62 = 3,198.78/x
  3. Step 3: Cross multiply
    5,851.37x = 8,074.62 × 3,198.78
  4. Step 4: Simplify right side
    5,851.37x = 25,828,932.96
  5. Step 5: Solve for x
    x = 25,828,932.96/5,851.37
  6. Step 6: Final answer
    x = 4,414.17

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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.