Home / 7,690.27-11,535.96-2,759.95

Finding the Fourth Proportional to 7,690.27, 11,535.96 and 2,759.95

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Solution

The fourth proportional to 7,690.27, 11,535.96 and 2,759.95 is: 4,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.27 : 11,535.96 = 2,759.95 : x
  2. Step 2: Convert to fraction form
    7,690.27/11,535.96 = 2,759.95/x
  3. Step 3: Cross multiply
    7,690.27x = 11,535.96 × 2,759.95
  4. Step 4: Simplify right side
    7,690.27x = 31,838,615.12
  5. Step 5: Solve for x
    x = 31,838,615.12/7,690.27
  6. Step 6: Final answer
    x = 4,140.12

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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.