Home / 3,200.37-4,418.69-2,005.85

Finding the Fourth Proportional to 3,200.37, 4,418.69 and 2,005.85

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Solution

The fourth proportional to 3,200.37, 4,418.69 and 2,005.85 is: 2,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.37 : 4,418.69 = 2,005.85 : x
  2. Step 2: Convert to fraction form
    3,200.37/4,418.69 = 2,005.85/x
  3. Step 3: Cross multiply
    3,200.37x = 4,418.69 × 2,005.85
  4. Step 4: Simplify right side
    3,200.37x = 8,863,197.21
  5. Step 5: Solve for x
    x = 8,863,197.21/3,200.37
  6. Step 6: Final answer
    x = 2,769.43

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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.