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Finding the Fourth Proportional to 4,857.26, 6,702.19 and 2,867.09

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Solution

The fourth proportional to 4,857.26, 6,702.19 and 2,867.09 is: 3,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.26 : 6,702.19 = 2,867.09 : x
  2. Step 2: Convert to fraction form
    4,857.26/6,702.19 = 2,867.09/x
  3. Step 3: Cross multiply
    4,857.26x = 6,702.19 × 2,867.09
  4. Step 4: Simplify right side
    4,857.26x = 19,215,741.25
  5. Step 5: Solve for x
    x = 19,215,741.25/4,857.26
  6. Step 6: Final answer
    x = 3,956.09

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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.