Home / 5,057.11-6,978.82-2,933.05

Finding the Fourth Proportional to 5,057.11, 6,978.82 and 2,933.05

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Solution

The fourth proportional to 5,057.11, 6,978.82 and 2,933.05 is: 4,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.11 : 6,978.82 = 2,933.05 : x
  2. Step 2: Convert to fraction form
    5,057.11/6,978.82 = 2,933.05/x
  3. Step 3: Cross multiply
    5,057.11x = 6,978.82 × 2,933.05
  4. Step 4: Simplify right side
    5,057.11x = 20,469,228.00
  5. Step 5: Solve for x
    x = 20,469,228.00/5,057.11
  6. Step 6: Final answer
    x = 4,047.61

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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.