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Finding the Fourth Proportional to 2,993.91, 4,131.07 and 1,735.12

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Solution

The fourth proportional to 2,993.91, 4,131.07 and 1,735.12 is: 2,394.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.91 : 4,131.07 = 1,735.12 : x
  2. Step 2: Convert to fraction form
    2,993.91/4,131.07 = 1,735.12/x
  3. Step 3: Cross multiply
    2,993.91x = 4,131.07 × 1,735.12
  4. Step 4: Simplify right side
    2,993.91x = 7,167,902.18
  5. Step 5: Solve for x
    x = 7,167,902.18/2,993.91
  6. Step 6: Final answer
    x = 2,394.16

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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.