Home / 2,179.06-3,269.14-946.17

Finding the Fourth Proportional to 2,179.06, 3,269.14 and 946.17

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Solution

The fourth proportional to 2,179.06, 3,269.14 and 946.17 is: 1,419.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.06 : 3,269.14 = 946.17 : x
  2. Step 2: Convert to fraction form
    2,179.06/3,269.14 = 946.17/x
  3. Step 3: Cross multiply
    2,179.06x = 3,269.14 × 946.17
  4. Step 4: Simplify right side
    2,179.06x = 3,093,162.19
  5. Step 5: Solve for x
    x = 3,093,162.19/2,179.06
  6. Step 6: Final answer
    x = 1,419.49

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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.