Home / 5,413.92-8,131.80-3,226.92

Finding the Fourth Proportional to 5,413.92, 8,131.80 and 3,226.92

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Solution

The fourth proportional to 5,413.92, 8,131.80 and 3,226.92 is: 4,846.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.92 : 8,131.80 = 3,226.92 : x
  2. Step 2: Convert to fraction form
    5,413.92/8,131.80 = 3,226.92/x
  3. Step 3: Cross multiply
    5,413.92x = 8,131.80 × 3,226.92
  4. Step 4: Simplify right side
    5,413.92x = 26,240,668.06
  5. Step 5: Solve for x
    x = 26,240,668.06/5,413.92
  6. Step 6: Final answer
    x = 4,846.89

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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.