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Finding the Fourth Proportional to 3,914.22, 5,878.62 and 3,757.62

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Solution

The fourth proportional to 3,914.22, 5,878.62 and 3,757.62 is: 5,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.22 : 5,878.62 = 3,757.62 : x
  2. Step 2: Convert to fraction form
    3,914.22/5,878.62 = 3,757.62/x
  3. Step 3: Cross multiply
    3,914.22x = 5,878.62 × 3,757.62
  4. Step 4: Simplify right side
    3,914.22x = 22,089,620.08
  5. Step 5: Solve for x
    x = 22,089,620.08/3,914.22
  6. Step 6: Final answer
    x = 5,643.43

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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.