Home / 5,171.85-7,137.25-2,933.69

Finding the Fourth Proportional to 5,171.85, 7,137.25 and 2,933.69

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Solution

The fourth proportional to 5,171.85, 7,137.25 and 2,933.69 is: 4,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.85 : 7,137.25 = 2,933.69 : x
  2. Step 2: Convert to fraction form
    5,171.85/7,137.25 = 2,933.69/x
  3. Step 3: Cross multiply
    5,171.85x = 7,137.25 × 2,933.69
  4. Step 4: Simplify right side
    5,171.85x = 20,938,435.93
  5. Step 5: Solve for x
    x = 20,938,435.93/5,171.85
  6. Step 6: Final answer
    x = 4,048.54

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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.