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Finding the Fourth Proportional to 3,922.01, 5,883.89 and 1,324.88

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Solution

The fourth proportional to 3,922.01, 5,883.89 and 1,324.88 is: 1,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.01 : 5,883.89 = 1,324.88 : x
  2. Step 2: Convert to fraction form
    3,922.01/5,883.89 = 1,324.88/x
  3. Step 3: Cross multiply
    3,922.01x = 5,883.89 × 1,324.88
  4. Step 4: Simplify right side
    3,922.01x = 7,795,412.14
  5. Step 5: Solve for x
    x = 7,795,412.14/3,922.01
  6. Step 6: Final answer
    x = 1,987.61

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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.