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Finding the Fourth Proportional to 2,697.79, 3,722.94 and 1,519.24

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Solution

The fourth proportional to 2,697.79, 3,722.94 and 1,519.24 is: 2,096.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.79 : 3,722.94 = 1,519.24 : x
  2. Step 2: Convert to fraction form
    2,697.79/3,722.94 = 1,519.24/x
  3. Step 3: Cross multiply
    2,697.79x = 3,722.94 × 1,519.24
  4. Step 4: Simplify right side
    2,697.79x = 5,656,020.75
  5. Step 5: Solve for x
    x = 5,656,020.75/2,697.79
  6. Step 6: Final answer
    x = 2,096.54

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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.