Home / 5,912.36-8,861.16-2,991.44

Finding the Fourth Proportional to 5,912.36, 8,861.16 and 2,991.44

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Solution

The fourth proportional to 5,912.36, 8,861.16 and 2,991.44 is: 4,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.36 : 8,861.16 = 2,991.44 : x
  2. Step 2: Convert to fraction form
    5,912.36/8,861.16 = 2,991.44/x
  3. Step 3: Cross multiply
    5,912.36x = 8,861.16 × 2,991.44
  4. Step 4: Simplify right side
    5,912.36x = 26,507,628.47
  5. Step 5: Solve for x
    x = 26,507,628.47/5,912.36
  6. Step 6: Final answer
    x = 4,483.43

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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.