Home / 5,139.58-7,709.89-1,441.82

Finding the Fourth Proportional to 5,139.58, 7,709.89 and 1,441.82

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Solution

The fourth proportional to 5,139.58, 7,709.89 and 1,441.82 is: 2,162.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.58 : 7,709.89 = 1,441.82 : x
  2. Step 2: Convert to fraction form
    5,139.58/7,709.89 = 1,441.82/x
  3. Step 3: Cross multiply
    5,139.58x = 7,709.89 × 1,441.82
  4. Step 4: Simplify right side
    5,139.58x = 11,116,273.60
  5. Step 5: Solve for x
    x = 11,116,273.60/5,139.58
  6. Step 6: Final answer
    x = 2,162.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.