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Finding the Fourth Proportional to 3,801.91, 5,703.54 and 1,722.88

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Solution

The fourth proportional to 3,801.91, 5,703.54 and 1,722.88 is: 2,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.91 : 5,703.54 = 1,722.88 : x
  2. Step 2: Convert to fraction form
    3,801.91/5,703.54 = 1,722.88/x
  3. Step 3: Cross multiply
    3,801.91x = 5,703.54 × 1,722.88
  4. Step 4: Simplify right side
    3,801.91x = 9,826,515.00
  5. Step 5: Solve for x
    x = 9,826,515.00/3,801.91
  6. Step 6: Final answer
    x = 2,584.63

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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.