Home / 6,942.48-10,413.05-3,821.46

Finding the Fourth Proportional to 6,942.48, 10,413.05 and 3,821.46

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Solution

The fourth proportional to 6,942.48, 10,413.05 and 3,821.46 is: 5,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.48 : 10,413.05 = 3,821.46 : x
  2. Step 2: Convert to fraction form
    6,942.48/10,413.05 = 3,821.46/x
  3. Step 3: Cross multiply
    6,942.48x = 10,413.05 × 3,821.46
  4. Step 4: Simplify right side
    6,942.48x = 39,793,034.95
  5. Step 5: Solve for x
    x = 39,793,034.95/6,942.48
  6. Step 6: Final answer
    x = 5,731.82

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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.