Home / 5,184.77-7,778.70-2,413.08

Finding the Fourth Proportional to 5,184.77, 7,778.70 and 2,413.08

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Solution

The fourth proportional to 5,184.77, 7,778.70 and 2,413.08 is: 3,620.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.77 : 7,778.70 = 2,413.08 : x
  2. Step 2: Convert to fraction form
    5,184.77/7,778.70 = 2,413.08/x
  3. Step 3: Cross multiply
    5,184.77x = 7,778.70 × 2,413.08
  4. Step 4: Simplify right side
    5,184.77x = 18,770,625.40
  5. Step 5: Solve for x
    x = 18,770,625.40/5,184.77
  6. Step 6: Final answer
    x = 3,620.34

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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.