Home / 3,947.95-5,922.24-1,174.57

Finding the Fourth Proportional to 3,947.95, 5,922.24 and 1,174.57

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Solution

The fourth proportional to 3,947.95, 5,922.24 and 1,174.57 is: 1,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.95 : 5,922.24 = 1,174.57 : x
  2. Step 2: Convert to fraction form
    3,947.95/5,922.24 = 1,174.57/x
  3. Step 3: Cross multiply
    3,947.95x = 5,922.24 × 1,174.57
  4. Step 4: Simplify right side
    3,947.95x = 6,956,085.44
  5. Step 5: Solve for x
    x = 6,956,085.44/3,947.95
  6. Step 6: Final answer
    x = 1,761.95

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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.