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Finding the Fourth Proportional to 2,795.84, 3,859.06 and 2,240.18

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Solution

The fourth proportional to 2,795.84, 3,859.06 and 2,240.18 is: 3,092.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.84 : 3,859.06 = 2,240.18 : x
  2. Step 2: Convert to fraction form
    2,795.84/3,859.06 = 2,240.18/x
  3. Step 3: Cross multiply
    2,795.84x = 3,859.06 × 2,240.18
  4. Step 4: Simplify right side
    2,795.84x = 8,644,989.03
  5. Step 5: Solve for x
    x = 8,644,989.03/2,795.84
  6. Step 6: Final answer
    x = 3,092.09

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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.