Home / 2,917.62-4,025.43-2,636.96

Finding the Fourth Proportional to 2,917.62, 4,025.43 and 2,636.96

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Solution

The fourth proportional to 2,917.62, 4,025.43 and 2,636.96 is: 3,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.62 : 4,025.43 = 2,636.96 : x
  2. Step 2: Convert to fraction form
    2,917.62/4,025.43 = 2,636.96/x
  3. Step 3: Cross multiply
    2,917.62x = 4,025.43 × 2,636.96
  4. Step 4: Simplify right side
    2,917.62x = 10,614,877.77
  5. Step 5: Solve for x
    x = 10,614,877.77/2,917.62
  6. Step 6: Final answer
    x = 3,638.20

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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.