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Finding the Fourth Proportional to 3,929.22, 5,893.83 and 2,199.06

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Solution

The fourth proportional to 3,929.22, 5,893.83 and 2,199.06 is: 3,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.22 : 5,893.83 = 2,199.06 : x
  2. Step 2: Convert to fraction form
    3,929.22/5,893.83 = 2,199.06/x
  3. Step 3: Cross multiply
    3,929.22x = 5,893.83 × 2,199.06
  4. Step 4: Simplify right side
    3,929.22x = 12,960,885.80
  5. Step 5: Solve for x
    x = 12,960,885.80/3,929.22
  6. Step 6: Final answer
    x = 3,298.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.