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Finding the Fourth Proportional to 2,695.99, 3,720.46 and 1,517.06

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Solution

The fourth proportional to 2,695.99, 3,720.46 and 1,517.06 is: 2,093.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.99 : 3,720.46 = 1,517.06 : x
  2. Step 2: Convert to fraction form
    2,695.99/3,720.46 = 1,517.06/x
  3. Step 3: Cross multiply
    2,695.99x = 3,720.46 × 1,517.06
  4. Step 4: Simplify right side
    2,695.99x = 5,644,161.05
  5. Step 5: Solve for x
    x = 5,644,161.05/2,695.99
  6. Step 6: Final answer
    x = 2,093.54

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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.