Home / 3,814.05-5,263.94-2,198.64

Finding the Fourth Proportional to 3,814.05, 5,263.94 and 2,198.64

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Solution

The fourth proportional to 3,814.05, 5,263.94 and 2,198.64 is: 3,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.05 : 5,263.94 = 2,198.64 : x
  2. Step 2: Convert to fraction form
    3,814.05/5,263.94 = 2,198.64/x
  3. Step 3: Cross multiply
    3,814.05x = 5,263.94 × 2,198.64
  4. Step 4: Simplify right side
    3,814.05x = 11,573,521.91
  5. Step 5: Solve for x
    x = 11,573,521.91/3,814.05
  6. Step 6: Final answer
    x = 3,034.45

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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.