Home / 5,268.59-7,270.74-2,910.68

Finding the Fourth Proportional to 5,268.59, 7,270.74 and 2,910.68

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Solution

The fourth proportional to 5,268.59, 7,270.74 and 2,910.68 is: 4,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.59 : 7,270.74 = 2,910.68 : x
  2. Step 2: Convert to fraction form
    5,268.59/7,270.74 = 2,910.68/x
  3. Step 3: Cross multiply
    5,268.59x = 7,270.74 × 2,910.68
  4. Step 4: Simplify right side
    5,268.59x = 21,162,761.15
  5. Step 5: Solve for x
    x = 21,162,761.15/5,268.59
  6. Step 6: Final answer
    x = 4,016.78

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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.