Home / 2,768.15-4,152.94-2,275.37

Finding the Fourth Proportional to 2,768.15, 4,152.94 and 2,275.37

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Solution

The fourth proportional to 2,768.15, 4,152.94 and 2,275.37 is: 3,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.15 : 4,152.94 = 2,275.37 : x
  2. Step 2: Convert to fraction form
    2,768.15/4,152.94 = 2,275.37/x
  3. Step 3: Cross multiply
    2,768.15x = 4,152.94 × 2,275.37
  4. Step 4: Simplify right side
    2,768.15x = 9,449,464.21
  5. Step 5: Solve for x
    x = 9,449,464.21/2,768.15
  6. Step 6: Final answer
    x = 3,413.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.