Home / 3,456.26-5,185.43-1,608.47

Finding the Fourth Proportional to 3,456.26, 5,185.43 and 1,608.47

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Solution

The fourth proportional to 3,456.26, 5,185.43 and 1,608.47 is: 2,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.26 : 5,185.43 = 1,608.47 : x
  2. Step 2: Convert to fraction form
    3,456.26/5,185.43 = 1,608.47/x
  3. Step 3: Cross multiply
    3,456.26x = 5,185.43 × 1,608.47
  4. Step 4: Simplify right side
    3,456.26x = 8,340,625.58
  5. Step 5: Solve for x
    x = 8,340,625.58/3,456.26
  6. Step 6: Final answer
    x = 2,413.19

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1.5x scale

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.