Home / 4,143.20-5,719.73-3,196.86

Finding the Fourth Proportional to 4,143.20, 5,719.73 and 3,196.86

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Solution

The fourth proportional to 4,143.20, 5,719.73 and 3,196.86 is: 4,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.20 : 5,719.73 = 3,196.86 : x
  2. Step 2: Convert to fraction form
    4,143.20/5,719.73 = 3,196.86/x
  3. Step 3: Cross multiply
    4,143.20x = 5,719.73 × 3,196.86
  4. Step 4: Simplify right side
    4,143.20x = 18,285,160.06
  5. Step 5: Solve for x
    x = 18,285,160.06/4,143.20
  6. Step 6: Final answer
    x = 4,413.30

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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.