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Finding the Fourth Proportional to 2,991.03, 4,125.83 and 2,326.83

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Solution

The fourth proportional to 2,991.03, 4,125.83 and 2,326.83 is: 3,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.03 : 4,125.83 = 2,326.83 : x
  2. Step 2: Convert to fraction form
    2,991.03/4,125.83 = 2,326.83/x
  3. Step 3: Cross multiply
    2,991.03x = 4,125.83 × 2,326.83
  4. Step 4: Simplify right side
    2,991.03x = 9,600,105.02
  5. Step 5: Solve for x
    x = 9,600,105.02/2,991.03
  6. Step 6: Final answer
    x = 3,209.63

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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.