Home / 2,917.26-4,025.85-1,591.03

Finding the Fourth Proportional to 2,917.26, 4,025.85 and 1,591.03

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Solution

The fourth proportional to 2,917.26, 4,025.85 and 1,591.03 is: 2,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.26 : 4,025.85 = 1,591.03 : x
  2. Step 2: Convert to fraction form
    2,917.26/4,025.85 = 1,591.03/x
  3. Step 3: Cross multiply
    2,917.26x = 4,025.85 × 1,591.03
  4. Step 4: Simplify right side
    2,917.26x = 6,405,248.13
  5. Step 5: Solve for x
    x = 6,405,248.13/2,917.26
  6. Step 6: Final answer
    x = 2,195.64

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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.