Home / 3,021.18-4,168.62-2,183.16

Finding the Fourth Proportional to 3,021.18, 4,168.62 and 2,183.16

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Solution

The fourth proportional to 3,021.18, 4,168.62 and 2,183.16 is: 3,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.18 : 4,168.62 = 2,183.16 : x
  2. Step 2: Convert to fraction form
    3,021.18/4,168.62 = 2,183.16/x
  3. Step 3: Cross multiply
    3,021.18x = 4,168.62 × 2,183.16
  4. Step 4: Simplify right side
    3,021.18x = 9,100,764.44
  5. Step 5: Solve for x
    x = 9,100,764.44/3,021.18
  6. Step 6: Final answer
    x = 3,012.32

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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.