Home / 2,132.45-3,191.07-1,474.46

Finding the Fourth Proportional to 2,132.45, 3,191.07 and 1,474.46

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Solution

The fourth proportional to 2,132.45, 3,191.07 and 1,474.46 is: 2,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.45 : 3,191.07 = 1,474.46 : x
  2. Step 2: Convert to fraction form
    2,132.45/3,191.07 = 1,474.46/x
  3. Step 3: Cross multiply
    2,132.45x = 3,191.07 × 1,474.46
  4. Step 4: Simplify right side
    2,132.45x = 4,705,105.07
  5. Step 5: Solve for x
    x = 4,705,105.07/2,132.45
  6. Step 6: Final answer
    x = 2,206.43

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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.