Home / 2,612.35-3,917.67-2,196.01

Finding the Fourth Proportional to 2,612.35, 3,917.67 and 2,196.01

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Solution

The fourth proportional to 2,612.35, 3,917.67 and 2,196.01 is: 3,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.35 : 3,917.67 = 2,196.01 : x
  2. Step 2: Convert to fraction form
    2,612.35/3,917.67 = 2,196.01/x
  3. Step 3: Cross multiply
    2,612.35x = 3,917.67 × 2,196.01
  4. Step 4: Simplify right side
    2,612.35x = 8,603,239.16
  5. Step 5: Solve for x
    x = 8,603,239.16/2,612.35
  6. Step 6: Final answer
    x = 3,293.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.