Home / 5,072.55-6,997.69-3,183.19

Finding the Fourth Proportional to 5,072.55, 6,997.69 and 3,183.19

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Solution

The fourth proportional to 5,072.55, 6,997.69 and 3,183.19 is: 4,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.55 : 6,997.69 = 3,183.19 : x
  2. Step 2: Convert to fraction form
    5,072.55/6,997.69 = 3,183.19/x
  3. Step 3: Cross multiply
    5,072.55x = 6,997.69 × 3,183.19
  4. Step 4: Simplify right side
    5,072.55x = 22,274,963.32
  5. Step 5: Solve for x
    x = 22,274,963.32/5,072.55
  6. Step 6: Final answer
    x = 4,391.28

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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.