Home / 2,272.77-3,388.85-2,268.33

Finding the Fourth Proportional to 2,272.77, 3,388.85 and 2,268.33

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Solution

The fourth proportional to 2,272.77, 3,388.85 and 2,268.33 is: 3,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.77 : 3,388.85 = 2,268.33 : x
  2. Step 2: Convert to fraction form
    2,272.77/3,388.85 = 2,268.33/x
  3. Step 3: Cross multiply
    2,272.77x = 3,388.85 × 2,268.33
  4. Step 4: Simplify right side
    2,272.77x = 7,687,018.78
  5. Step 5: Solve for x
    x = 7,687,018.78/2,272.77
  6. Step 6: Final answer
    x = 3,382.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.