Home / 2,195.43-3,289.46-2,110.08

Finding the Fourth Proportional to 2,195.43, 3,289.46 and 2,110.08

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Solution

The fourth proportional to 2,195.43, 3,289.46 and 2,110.08 is: 3,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.43 : 3,289.46 = 2,110.08 : x
  2. Step 2: Convert to fraction form
    2,195.43/3,289.46 = 2,110.08/x
  3. Step 3: Cross multiply
    2,195.43x = 3,289.46 × 2,110.08
  4. Step 4: Simplify right side
    2,195.43x = 6,941,009.66
  5. Step 5: Solve for x
    x = 6,941,009.66/2,195.43
  6. Step 6: Final answer
    x = 3,161.57

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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.