Home / 4,992.58-7,489.44-1,705.06

Finding the Fourth Proportional to 4,992.58, 7,489.44 and 1,705.06

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Solution

The fourth proportional to 4,992.58, 7,489.44 and 1,705.06 is: 2,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.58 : 7,489.44 = 1,705.06 : x
  2. Step 2: Convert to fraction form
    4,992.58/7,489.44 = 1,705.06/x
  3. Step 3: Cross multiply
    4,992.58x = 7,489.44 × 1,705.06
  4. Step 4: Simplify right side
    4,992.58x = 12,769,944.57
  5. Step 5: Solve for x
    x = 12,769,944.57/4,992.58
  6. Step 6: Final answer
    x = 2,557.78

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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.