Home / 7,795.20-11,694.84-3,413.52

Finding the Fourth Proportional to 7,795.20, 11,694.84 and 3,413.52

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Solution

The fourth proportional to 7,795.20, 11,694.84 and 3,413.52 is: 5,121.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.20 : 11,694.84 = 3,413.52 : x
  2. Step 2: Convert to fraction form
    7,795.20/11,694.84 = 3,413.52/x
  3. Step 3: Cross multiply
    7,795.20x = 11,694.84 × 3,413.52
  4. Step 4: Simplify right side
    7,795.20x = 39,920,570.24
  5. Step 5: Solve for x
    x = 39,920,570.24/7,795.20
  6. Step 6: Final answer
    x = 5,121.17

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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.