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Finding the Fourth Proportional to 3,797.54, 5,240.60 and 2,118.85

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Solution

The fourth proportional to 3,797.54, 5,240.60 and 2,118.85 is: 2,924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.54 : 5,240.60 = 2,118.85 : x
  2. Step 2: Convert to fraction form
    3,797.54/5,240.60 = 2,118.85/x
  3. Step 3: Cross multiply
    3,797.54x = 5,240.60 × 2,118.85
  4. Step 4: Simplify right side
    3,797.54x = 11,104,037.51
  5. Step 5: Solve for x
    x = 11,104,037.51/3,797.54
  6. Step 6: Final answer
    x = 2,924.01

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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.