Home / 2,917.75-4,026.49-1,591.46

Finding the Fourth Proportional to 2,917.75, 4,026.49 and 1,591.46

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Solution

The fourth proportional to 2,917.75, 4,026.49 and 1,591.46 is: 2,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.75 : 4,026.49 = 1,591.46 : x
  2. Step 2: Convert to fraction form
    2,917.75/4,026.49 = 1,591.46/x
  3. Step 3: Cross multiply
    2,917.75x = 4,026.49 × 1,591.46
  4. Step 4: Simplify right side
    2,917.75x = 6,407,994.73
  5. Step 5: Solve for x
    x = 6,407,994.73/2,917.75
  6. Step 6: Final answer
    x = 2,196.21

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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.