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Finding the Fourth Proportional to 5,270.97, 7,273.89 and 2,913.13

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Solution

The fourth proportional to 5,270.97, 7,273.89 and 2,913.13 is: 4,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.97 : 7,273.89 = 2,913.13 : x
  2. Step 2: Convert to fraction form
    5,270.97/7,273.89 = 2,913.13/x
  3. Step 3: Cross multiply
    5,270.97x = 7,273.89 × 2,913.13
  4. Step 4: Simplify right side
    5,270.97x = 21,189,768.99
  5. Step 5: Solve for x
    x = 21,189,768.99/5,270.97
  6. Step 6: Final answer
    x = 4,020.09

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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.