Home / 3,197.64-4,413.21-1,871.76

Finding the Fourth Proportional to 3,197.64, 4,413.21 and 1,871.76

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Solution

The fourth proportional to 3,197.64, 4,413.21 and 1,871.76 is: 2,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.64 : 4,413.21 = 1,871.76 : x
  2. Step 2: Convert to fraction form
    3,197.64/4,413.21 = 1,871.76/x
  3. Step 3: Cross multiply
    3,197.64x = 4,413.21 × 1,871.76
  4. Step 4: Simplify right side
    3,197.64x = 8,260,469.95
  5. Step 5: Solve for x
    x = 8,260,469.95/3,197.64
  6. Step 6: Final answer
    x = 2,583.30

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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.