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Finding the Fourth Proportional to 3,867.04, 5,336.51 and 2,098.64

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Solution

The fourth proportional to 3,867.04, 5,336.51 and 2,098.64 is: 2,896.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.04 : 5,336.51 = 2,098.64 : x
  2. Step 2: Convert to fraction form
    3,867.04/5,336.51 = 2,098.64/x
  3. Step 3: Cross multiply
    3,867.04x = 5,336.51 × 2,098.64
  4. Step 4: Simplify right side
    3,867.04x = 11,199,413.35
  5. Step 5: Solve for x
    x = 11,199,413.35/3,867.04
  6. Step 6: Final answer
    x = 2,896.12

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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.