Home / 5,887.28-8,836.68-2,811.44

Finding the Fourth Proportional to 5,887.28, 8,836.68 and 2,811.44

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Solution

The fourth proportional to 5,887.28, 8,836.68 and 2,811.44 is: 4,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.28 : 8,836.68 = 2,811.44 : x
  2. Step 2: Convert to fraction form
    5,887.28/8,836.68 = 2,811.44/x
  3. Step 3: Cross multiply
    5,887.28x = 8,836.68 × 2,811.44
  4. Step 4: Simplify right side
    5,887.28x = 24,843,795.62
  5. Step 5: Solve for x
    x = 24,843,795.62/5,887.28
  6. Step 6: Final answer
    x = 4,219.91

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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.