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Finding the Fourth Proportional to 3,333.91, 4,601.71 and 2,074.21

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Solution

The fourth proportional to 3,333.91, 4,601.71 and 2,074.21 is: 2,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.91 : 4,601.71 = 2,074.21 : x
  2. Step 2: Convert to fraction form
    3,333.91/4,601.71 = 2,074.21/x
  3. Step 3: Cross multiply
    3,333.91x = 4,601.71 × 2,074.21
  4. Step 4: Simplify right side
    3,333.91x = 9,544,912.90
  5. Step 5: Solve for x
    x = 9,544,912.90/3,333.91
  6. Step 6: Final answer
    x = 2,862.98

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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.