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Finding the Fourth Proportional to 3,841.43, 5,762.12 and 2,196.81

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Solution

The fourth proportional to 3,841.43, 5,762.12 and 2,196.81 is: 3,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.43 : 5,762.12 = 2,196.81 : x
  2. Step 2: Convert to fraction form
    3,841.43/5,762.12 = 2,196.81/x
  3. Step 3: Cross multiply
    3,841.43x = 5,762.12 × 2,196.81
  4. Step 4: Simplify right side
    3,841.43x = 12,658,282.84
  5. Step 5: Solve for x
    x = 12,658,282.84/3,841.43
  6. Step 6: Final answer
    x = 3,295.20

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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.