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Finding the Fourth Proportional to 2,593.22, 3,890.13 and 838.35

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Solution

The fourth proportional to 2,593.22, 3,890.13 and 838.35 is: 1,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,593.22 : 3,890.13 = 838.35 : x
  2. Step 2: Convert to fraction form
    2,593.22/3,890.13 = 838.35/x
  3. Step 3: Cross multiply
    2,593.22x = 3,890.13 × 838.35
  4. Step 4: Simplify right side
    2,593.22x = 3,261,287.34
  5. Step 5: Solve for x
    x = 3,261,287.34/2,593.22
  6. Step 6: Final answer
    x = 1,257.62

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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.