Home / 7,973.87-11,961.29-2,427.62

Finding the Fourth Proportional to 7,973.87, 11,961.29 and 2,427.62

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Solution

The fourth proportional to 7,973.87, 11,961.29 and 2,427.62 is: 3,641.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.87 : 11,961.29 = 2,427.62 : x
  2. Step 2: Convert to fraction form
    7,973.87/11,961.29 = 2,427.62/x
  3. Step 3: Cross multiply
    7,973.87x = 11,961.29 × 2,427.62
  4. Step 4: Simplify right side
    7,973.87x = 29,037,496.73
  5. Step 5: Solve for x
    x = 29,037,496.73/7,973.87
  6. Step 6: Final answer
    x = 3,641.58

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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.