Home / 3,268.48-4,512.38-2,152.66

Finding the Fourth Proportional to 3,268.48, 4,512.38 and 2,152.66

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Solution

The fourth proportional to 3,268.48, 4,512.38 and 2,152.66 is: 2,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.48 : 4,512.38 = 2,152.66 : x
  2. Step 2: Convert to fraction form
    3,268.48/4,512.38 = 2,152.66/x
  3. Step 3: Cross multiply
    3,268.48x = 4,512.38 × 2,152.66
  4. Step 4: Simplify right side
    3,268.48x = 9,713,619.93
  5. Step 5: Solve for x
    x = 9,713,619.93/3,268.48
  6. Step 6: Final answer
    x = 2,971.91

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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.