Home / 2,917.67-4,026.87-1,739.44

Finding the Fourth Proportional to 2,917.67, 4,026.87 and 1,739.44

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Solution

The fourth proportional to 2,917.67, 4,026.87 and 1,739.44 is: 2,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.67 : 4,026.87 = 1,739.44 : x
  2. Step 2: Convert to fraction form
    2,917.67/4,026.87 = 1,739.44/x
  3. Step 3: Cross multiply
    2,917.67x = 4,026.87 × 1,739.44
  4. Step 4: Simplify right side
    2,917.67x = 7,004,469.92
  5. Step 5: Solve for x
    x = 7,004,469.92/2,917.67
  6. Step 6: Final answer
    x = 2,400.71

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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.