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Finding the Fourth Proportional to 2,697.93, 3,722.25 and 2,199.71

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Solution

The fourth proportional to 2,697.93, 3,722.25 and 2,199.71 is: 3,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.93 : 3,722.25 = 2,199.71 : x
  2. Step 2: Convert to fraction form
    2,697.93/3,722.25 = 2,199.71/x
  3. Step 3: Cross multiply
    2,697.93x = 3,722.25 × 2,199.71
  4. Step 4: Simplify right side
    2,697.93x = 8,187,870.55
  5. Step 5: Solve for x
    x = 8,187,870.55/2,697.93
  6. Step 6: Final answer
    x = 3,034.87

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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.