Home / 3,620.08-4,995.52-2,222.56

Finding the Fourth Proportional to 3,620.08, 4,995.52 and 2,222.56

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Solution

The fourth proportional to 3,620.08, 4,995.52 and 2,222.56 is: 3,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.08 : 4,995.52 = 2,222.56 : x
  2. Step 2: Convert to fraction form
    3,620.08/4,995.52 = 2,222.56/x
  3. Step 3: Cross multiply
    3,620.08x = 4,995.52 × 2,222.56
  4. Step 4: Simplify right side
    3,620.08x = 11,102,842.93
  5. Step 5: Solve for x
    x = 11,102,842.93/3,620.08
  6. Step 6: Final answer
    x = 3,067.02

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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.