Home / 3,413.50-5,120.24-948.33

Finding the Fourth Proportional to 3,413.50, 5,120.24 and 948.33

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Solution

The fourth proportional to 3,413.50, 5,120.24 and 948.33 is: 1,422.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.50 : 5,120.24 = 948.33 : x
  2. Step 2: Convert to fraction form
    3,413.50/5,120.24 = 948.33/x
  3. Step 3: Cross multiply
    3,413.50x = 5,120.24 × 948.33
  4. Step 4: Simplify right side
    3,413.50x = 4,855,677.20
  5. Step 5: Solve for x
    x = 4,855,677.20/3,413.50
  6. Step 6: Final answer
    x = 1,422.49

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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.