Home / 5,181.27-7,150.05-2,823.44

Finding the Fourth Proportional to 5,181.27, 7,150.05 and 2,823.44

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Solution

The fourth proportional to 5,181.27, 7,150.05 and 2,823.44 is: 3,896.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.27 : 7,150.05 = 2,823.44 : x
  2. Step 2: Convert to fraction form
    5,181.27/7,150.05 = 2,823.44/x
  3. Step 3: Cross multiply
    5,181.27x = 7,150.05 × 2,823.44
  4. Step 4: Simplify right side
    5,181.27x = 20,187,701.42
  5. Step 5: Solve for x
    x = 20,187,701.42/5,181.27
  6. Step 6: Final answer
    x = 3,896.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.