Home / 3,183.37-4,396.07-2,578.30

Finding the Fourth Proportional to 3,183.37, 4,396.07 and 2,578.30

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Solution

The fourth proportional to 3,183.37, 4,396.07 and 2,578.30 is: 3,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.37 : 4,396.07 = 2,578.30 : x
  2. Step 2: Convert to fraction form
    3,183.37/4,396.07 = 2,578.30/x
  3. Step 3: Cross multiply
    3,183.37x = 4,396.07 × 2,578.30
  4. Step 4: Simplify right side
    3,183.37x = 11,334,382.74
  5. Step 5: Solve for x
    x = 11,334,382.74/3,183.37
  6. Step 6: Final answer
    x = 3,560.50

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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.