Home / 3,247.96-4,512.56-3,209.08

Finding the Fourth Proportional to 3,247.96, 4,512.56 and 3,209.08

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Solution

The fourth proportional to 3,247.96, 4,512.56 and 3,209.08 is: 4,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.96 : 4,512.56 = 3,209.08 : x
  2. Step 2: Convert to fraction form
    3,247.96/4,512.56 = 3,209.08/x
  3. Step 3: Cross multiply
    3,247.96x = 4,512.56 × 3,209.08
  4. Step 4: Simplify right side
    3,247.96x = 14,481,166.04
  5. Step 5: Solve for x
    x = 14,481,166.04/3,247.96
  6. Step 6: Final answer
    x = 4,458.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.