Home / 3,222.25-4,448.85-2,474.88

Finding the Fourth Proportional to 3,222.25, 4,448.85 and 2,474.88

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Solution

The fourth proportional to 3,222.25, 4,448.85 and 2,474.88 is: 3,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.25 : 4,448.85 = 2,474.88 : x
  2. Step 2: Convert to fraction form
    3,222.25/4,448.85 = 2,474.88/x
  3. Step 3: Cross multiply
    3,222.25x = 4,448.85 × 2,474.88
  4. Step 4: Simplify right side
    3,222.25x = 11,010,347.64
  5. Step 5: Solve for x
    x = 11,010,347.64/3,222.25
  6. Step 6: Final answer
    x = 3,416.97

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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.