Home / 1,941.06-2,678.70-1,101.96

Finding the Fourth Proportional to 1,941.06, 2,678.70 and 1,101.96

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Solution

The fourth proportional to 1,941.06, 2,678.70 and 1,101.96 is: 1,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.06 : 2,678.70 = 1,101.96 : x
  2. Step 2: Convert to fraction form
    1,941.06/2,678.70 = 1,101.96/x
  3. Step 3: Cross multiply
    1,941.06x = 2,678.70 × 1,101.96
  4. Step 4: Simplify right side
    1,941.06x = 2,951,820.25
  5. Step 5: Solve for x
    x = 2,951,820.25/1,941.06
  6. Step 6: Final answer
    x = 1,520.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.