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Finding the Fourth Proportional to 3,907.94, 5,861.91 and 1,171.94

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Solution

The fourth proportional to 3,907.94, 5,861.91 and 1,171.94 is: 1,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.94 : 5,861.91 = 1,171.94 : x
  2. Step 2: Convert to fraction form
    3,907.94/5,861.91 = 1,171.94/x
  3. Step 3: Cross multiply
    3,907.94x = 5,861.91 × 1,171.94
  4. Step 4: Simplify right side
    3,907.94x = 6,869,806.81
  5. Step 5: Solve for x
    x = 6,869,806.81/3,907.94
  6. Step 6: Final answer
    x = 1,757.91

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