Home / 3,020.99-4,168.31-2,183.54

Finding the Fourth Proportional to 3,020.99, 4,168.31 and 2,183.54

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Solution

The fourth proportional to 3,020.99, 4,168.31 and 2,183.54 is: 3,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.99 : 4,168.31 = 2,183.54 : x
  2. Step 2: Convert to fraction form
    3,020.99/4,168.31 = 2,183.54/x
  3. Step 3: Cross multiply
    3,020.99x = 4,168.31 × 2,183.54
  4. Step 4: Simplify right side
    3,020.99x = 9,101,639.86
  5. Step 5: Solve for x
    x = 9,101,639.86/3,020.99
  6. Step 6: Final answer
    x = 3,012.81

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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.