Home / 3,250.52-4,485.46-1,991.06

Finding the Fourth Proportional to 3,250.52, 4,485.46 and 1,991.06

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Solution

The fourth proportional to 3,250.52, 4,485.46 and 1,991.06 is: 2,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.52 : 4,485.46 = 1,991.06 : x
  2. Step 2: Convert to fraction form
    3,250.52/4,485.46 = 1,991.06/x
  3. Step 3: Cross multiply
    3,250.52x = 4,485.46 × 1,991.06
  4. Step 4: Simplify right side
    3,250.52x = 8,930,819.99
  5. Step 5: Solve for x
    x = 8,930,819.99/3,250.52
  6. Step 6: Final answer
    x = 2,747.51

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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.