Home / 5,268.26-7,270.38-2,910.38

Finding the Fourth Proportional to 5,268.26, 7,270.38 and 2,910.38

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Solution

The fourth proportional to 5,268.26, 7,270.38 and 2,910.38 is: 4,016.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.26 : 7,270.38 = 2,910.38 : x
  2. Step 2: Convert to fraction form
    5,268.26/7,270.38 = 2,910.38/x
  3. Step 3: Cross multiply
    5,268.26x = 7,270.38 × 2,910.38
  4. Step 4: Simplify right side
    5,268.26x = 21,159,568.54
  5. Step 5: Solve for x
    x = 21,159,568.54/5,268.26
  6. Step 6: Final answer
    x = 4,016.42

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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.