Home / 1,936.05-2,669.25-1,581.63

Finding the Fourth Proportional to 1,936.05, 2,669.25 and 1,581.63

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Solution

The fourth proportional to 1,936.05, 2,669.25 and 1,581.63 is: 2,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.05 : 2,669.25 = 1,581.63 : x
  2. Step 2: Convert to fraction form
    1,936.05/2,669.25 = 1,581.63/x
  3. Step 3: Cross multiply
    1,936.05x = 2,669.25 × 1,581.63
  4. Step 4: Simplify right side
    1,936.05x = 4,221,765.88
  5. Step 5: Solve for x
    x = 4,221,765.88/1,936.05
  6. Step 6: Final answer
    x = 2,180.61

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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.