Home / 5,413.09-8,106.86-4,234.85

Finding the Fourth Proportional to 5,413.09, 8,106.86 and 4,234.85

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Solution

The fourth proportional to 5,413.09, 8,106.86 and 4,234.85 is: 6,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.09 : 8,106.86 = 4,234.85 : x
  2. Step 2: Convert to fraction form
    5,413.09/8,106.86 = 4,234.85/x
  3. Step 3: Cross multiply
    5,413.09x = 8,106.86 × 4,234.85
  4. Step 4: Simplify right side
    5,413.09x = 34,331,295.54
  5. Step 5: Solve for x
    x = 34,331,295.54/5,413.09
  6. Step 6: Final answer
    x = 6,342.27

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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.