Home / 5,556.41-7,667.84-3,198.54

Finding the Fourth Proportional to 5,556.41, 7,667.84 and 3,198.54

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Solution

The fourth proportional to 5,556.41, 7,667.84 and 3,198.54 is: 4,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.41 : 7,667.84 = 3,198.54 : x
  2. Step 2: Convert to fraction form
    5,556.41/7,667.84 = 3,198.54/x
  3. Step 3: Cross multiply
    5,556.41x = 7,667.84 × 3,198.54
  4. Step 4: Simplify right side
    5,556.41x = 24,525,876.96
  5. Step 5: Solve for x
    x = 24,525,876.96/5,556.41
  6. Step 6: Final answer
    x = 4,413.98

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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.