Home / 2,917.82-4,027.12-1,738.97

Finding the Fourth Proportional to 2,917.82, 4,027.12 and 1,738.97

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Solution

The fourth proportional to 2,917.82, 4,027.12 and 1,738.97 is: 2,400.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.82 : 4,027.12 = 1,738.97 : x
  2. Step 2: Convert to fraction form
    2,917.82/4,027.12 = 1,738.97/x
  3. Step 3: Cross multiply
    2,917.82x = 4,027.12 × 1,738.97
  4. Step 4: Simplify right side
    2,917.82x = 7,003,031.49
  5. Step 5: Solve for x
    x = 7,003,031.49/2,917.82
  6. Step 6: Final answer
    x = 2,400.09

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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.