Home / 1,614.05-2,227.41-896.21

Finding the Fourth Proportional to 1,614.05, 2,227.41 and 896.21

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Solution

The fourth proportional to 1,614.05, 2,227.41 and 896.21 is: 1,236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.05 : 2,227.41 = 896.21 : x
  2. Step 2: Convert to fraction form
    1,614.05/2,227.41 = 896.21/x
  3. Step 3: Cross multiply
    1,614.05x = 2,227.41 × 896.21
  4. Step 4: Simplify right side
    1,614.05x = 1,996,233.12
  5. Step 5: Solve for x
    x = 1,996,233.12/1,614.05
  6. Step 6: Final answer
    x = 1,236.79

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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.