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Finding the Fourth Proportional to 5,268.66, 7,270.13 and 2,910.66

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Solution

The fourth proportional to 5,268.66, 7,270.13 and 2,910.66 is: 4,016.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.66 : 7,270.13 = 2,910.66 : x
  2. Step 2: Convert to fraction form
    5,268.66/7,270.13 = 2,910.66/x
  3. Step 3: Cross multiply
    5,268.66x = 7,270.13 × 2,910.66
  4. Step 4: Simplify right side
    5,268.66x = 21,160,862.03
  5. Step 5: Solve for x
    x = 21,160,862.03/5,268.66
  6. Step 6: Final answer
    x = 4,016.37

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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.