Home / 2,167.45-3,251.68-1,056.06

Finding the Fourth Proportional to 2,167.45, 3,251.68 and 1,056.06

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Solution

The fourth proportional to 2,167.45, 3,251.68 and 1,056.06 is: 1,584.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.45 : 3,251.68 = 1,056.06 : x
  2. Step 2: Convert to fraction form
    2,167.45/3,251.68 = 1,056.06/x
  3. Step 3: Cross multiply
    2,167.45x = 3,251.68 × 1,056.06
  4. Step 4: Simplify right side
    2,167.45x = 3,433,966.54
  5. Step 5: Solve for x
    x = 3,433,966.54/2,167.45
  6. Step 6: Final answer
    x = 1,584.34

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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.