Home / 6,884.46-10,327.91-2,991.60

Finding the Fourth Proportional to 6,884.46, 10,327.91 and 2,991.60

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Solution

The fourth proportional to 6,884.46, 10,327.91 and 2,991.60 is: 4,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.46 : 10,327.91 = 2,991.60 : x
  2. Step 2: Convert to fraction form
    6,884.46/10,327.91 = 2,991.60/x
  3. Step 3: Cross multiply
    6,884.46x = 10,327.91 × 2,991.60
  4. Step 4: Simplify right side
    6,884.46x = 30,896,960.60
  5. Step 5: Solve for x
    x = 30,896,960.60/6,884.46
  6. Step 6: Final answer
    x = 4,487.93

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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.