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Finding the Fourth Proportional to 5,839.21, 8,758.82 and 3,877.39

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Solution

The fourth proportional to 5,839.21, 8,758.82 and 3,877.39 is: 5,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,839.21 : 8,758.82 = 3,877.39 : x
  2. Step 2: Convert to fraction form
    5,839.21/8,758.82 = 3,877.39/x
  3. Step 3: Cross multiply
    5,839.21x = 8,758.82 × 3,877.39
  4. Step 4: Simplify right side
    5,839.21x = 33,961,361.08
  5. Step 5: Solve for x
    x = 33,961,361.08/5,839.21
  6. Step 6: Final answer
    x = 5,816.09

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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.