Home / 5,183.40-7,156.26-3,196.62

Finding the Fourth Proportional to 5,183.40, 7,156.26 and 3,196.62

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Solution

The fourth proportional to 5,183.40, 7,156.26 and 3,196.62 is: 4,413.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.40 : 7,156.26 = 3,196.62 : x
  2. Step 2: Convert to fraction form
    5,183.40/7,156.26 = 3,196.62/x
  3. Step 3: Cross multiply
    5,183.40x = 7,156.26 × 3,196.62
  4. Step 4: Simplify right side
    5,183.40x = 22,875,843.84
  5. Step 5: Solve for x
    x = 22,875,843.84/5,183.40
  6. Step 6: Final answer
    x = 4,413.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.