Home / 7,922.82-11,875.21-3,756.95

Finding the Fourth Proportional to 7,922.82, 11,875.21 and 3,756.95

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Solution

The fourth proportional to 7,922.82, 11,875.21 and 3,756.95 is: 5,631.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.82 : 11,875.21 = 3,756.95 : x
  2. Step 2: Convert to fraction form
    7,922.82/11,875.21 = 3,756.95/x
  3. Step 3: Cross multiply
    7,922.82x = 11,875.21 × 3,756.95
  4. Step 4: Simplify right side
    7,922.82x = 44,614,501.44
  5. Step 5: Solve for x
    x = 44,614,501.44/7,922.82
  6. Step 6: Final answer
    x = 5,631.14

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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.