Home / 3,198.58-4,413.60-1,801.36

Finding the Fourth Proportional to 3,198.58, 4,413.60 and 1,801.36

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Solution

The fourth proportional to 3,198.58, 4,413.60 and 1,801.36 is: 2,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.58 : 4,413.60 = 1,801.36 : x
  2. Step 2: Convert to fraction form
    3,198.58/4,413.60 = 1,801.36/x
  3. Step 3: Cross multiply
    3,198.58x = 4,413.60 × 1,801.36
  4. Step 4: Simplify right side
    3,198.58x = 7,950,482.50
  5. Step 5: Solve for x
    x = 7,950,482.50/3,198.58
  6. Step 6: Final answer
    x = 2,485.63

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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.