Home / 5,181.24-7,150.11-2,823.38

Finding the Fourth Proportional to 5,181.24, 7,150.11 and 2,823.38

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Solution

The fourth proportional to 5,181.24, 7,150.11 and 2,823.38 is: 3,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.24 : 7,150.11 = 2,823.38 : x
  2. Step 2: Convert to fraction form
    5,181.24/7,150.11 = 2,823.38/x
  3. Step 3: Cross multiply
    5,181.24x = 7,150.11 × 2,823.38
  4. Step 4: Simplify right side
    5,181.24x = 20,187,445.58
  5. Step 5: Solve for x
    x = 20,187,445.58/5,181.24
  6. Step 6: Final answer
    x = 3,896.26

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1.5x scale

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.