Home / 3,225.12-4,448.24-2,232.06

Finding the Fourth Proportional to 3,225.12, 4,448.24 and 2,232.06

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Solution

The fourth proportional to 3,225.12, 4,448.24 and 2,232.06 is: 3,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.12 : 4,448.24 = 2,232.06 : x
  2. Step 2: Convert to fraction form
    3,225.12/4,448.24 = 2,232.06/x
  3. Step 3: Cross multiply
    3,225.12x = 4,448.24 × 2,232.06
  4. Step 4: Simplify right side
    3,225.12x = 9,928,738.57
  5. Step 5: Solve for x
    x = 9,928,738.57/3,225.12
  6. Step 6: Final answer
    x = 3,078.56

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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.