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Finding the Fourth Proportional to 2,917.94, 4,027.14 and 1,739

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Solution

The fourth proportional to 2,917.94, 4,027.14 and 1,739 is: 2,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.94 : 4,027.14 = 1,739 : x
  2. Step 2: Convert to fraction form
    2,917.94/4,027.14 = 1,739/x
  3. Step 3: Cross multiply
    2,917.94x = 4,027.14 × 1,739
  4. Step 4: Simplify right side
    2,917.94x = 7,003,196.46
  5. Step 5: Solve for x
    x = 7,003,196.46/2,917.94
  6. Step 6: Final answer
    x = 2,400.05

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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.