Home / 2,209.22-3,049.01-1,425.54

Finding the Fourth Proportional to 2,209.22, 3,049.01 and 1,425.54

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Solution

The fourth proportional to 2,209.22, 3,049.01 and 1,425.54 is: 1,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.22 : 3,049.01 = 1,425.54 : x
  2. Step 2: Convert to fraction form
    2,209.22/3,049.01 = 1,425.54/x
  3. Step 3: Cross multiply
    2,209.22x = 3,049.01 × 1,425.54
  4. Step 4: Simplify right side
    2,209.22x = 4,346,478.59
  5. Step 5: Solve for x
    x = 4,346,478.59/2,209.22
  6. Step 6: Final answer
    x = 1,967.43

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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.