Home / 3,222.12-4,447.26-2,697.24

Finding the Fourth Proportional to 3,222.12, 4,447.26 and 2,697.24

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Solution

The fourth proportional to 3,222.12, 4,447.26 and 2,697.24 is: 3,722.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.12 : 4,447.26 = 2,697.24 : x
  2. Step 2: Convert to fraction form
    3,222.12/4,447.26 = 2,697.24/x
  3. Step 3: Cross multiply
    3,222.12x = 4,447.26 × 2,697.24
  4. Step 4: Simplify right side
    3,222.12x = 11,995,327.56
  5. Step 5: Solve for x
    x = 11,995,327.56/3,222.12
  6. Step 6: Final answer
    x = 3,722.81

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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.