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Finding the Fourth Proportional to 4,797.90, 6,623.91 and 3,227.58

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Solution

The fourth proportional to 4,797.90, 6,623.91 and 3,227.58 is: 4,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.90 : 6,623.91 = 3,227.58 : x
  2. Step 2: Convert to fraction form
    4,797.90/6,623.91 = 3,227.58/x
  3. Step 3: Cross multiply
    4,797.90x = 6,623.91 × 3,227.58
  4. Step 4: Simplify right side
    4,797.90x = 21,379,199.44
  5. Step 5: Solve for x
    x = 21,379,199.44/4,797.90
  6. Step 6: Final answer
    x = 4,455.95

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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.