Home / 5,183.41-7,151.19-3,321.49

Finding the Fourth Proportional to 5,183.41, 7,151.19 and 3,321.49

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Solution

The fourth proportional to 5,183.41, 7,151.19 and 3,321.49 is: 4,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.41 : 7,151.19 = 3,321.49 : x
  2. Step 2: Convert to fraction form
    5,183.41/7,151.19 = 3,321.49/x
  3. Step 3: Cross multiply
    5,183.41x = 7,151.19 × 3,321.49
  4. Step 4: Simplify right side
    5,183.41x = 23,752,606.07
  5. Step 5: Solve for x
    x = 23,752,606.07/5,183.41
  6. Step 6: Final answer
    x = 4,582.43

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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.