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Finding the Fourth Proportional to 3,997.48, 5,995.97 and 1,223.89

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Solution

The fourth proportional to 3,997.48, 5,995.97 and 1,223.89 is: 1,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.48 : 5,995.97 = 1,223.89 : x
  2. Step 2: Convert to fraction form
    3,997.48/5,995.97 = 1,223.89/x
  3. Step 3: Cross multiply
    3,997.48x = 5,995.97 × 1,223.89
  4. Step 4: Simplify right side
    3,997.48x = 7,338,386.61
  5. Step 5: Solve for x
    x = 7,338,386.61/3,997.48
  6. Step 6: Final answer
    x = 1,835.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.