Home / 3,266.22-4,509.36-2,221.32

Finding the Fourth Proportional to 3,266.22, 4,509.36 and 2,221.32

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Solution

The fourth proportional to 3,266.22, 4,509.36 and 2,221.32 is: 3,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.22 : 4,509.36 = 2,221.32 : x
  2. Step 2: Convert to fraction form
    3,266.22/4,509.36 = 2,221.32/x
  3. Step 3: Cross multiply
    3,266.22x = 4,509.36 × 2,221.32
  4. Step 4: Simplify right side
    3,266.22x = 10,016,731.56
  5. Step 5: Solve for x
    x = 10,016,731.56/3,266.22
  6. Step 6: Final answer
    x = 3,066.77

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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.