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Finding the Fourth Proportional to 3,797.43, 5,240.49 and 2,118.95

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Solution

The fourth proportional to 3,797.43, 5,240.49 and 2,118.95 is: 2,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.43 : 5,240.49 = 2,118.95 : x
  2. Step 2: Convert to fraction form
    3,797.43/5,240.49 = 2,118.95/x
  3. Step 3: Cross multiply
    3,797.43x = 5,240.49 × 2,118.95
  4. Step 4: Simplify right side
    3,797.43x = 11,104,336.29
  5. Step 5: Solve for x
    x = 11,104,336.29/3,797.43
  6. Step 6: Final answer
    x = 2,924.17

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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.