Home / 1,842.07-2,759.05-1,190.83

Finding the Fourth Proportional to 1,842.07, 2,759.05 and 1,190.83

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Solution

The fourth proportional to 1,842.07, 2,759.05 and 1,190.83 is: 1,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.07 : 2,759.05 = 1,190.83 : x
  2. Step 2: Convert to fraction form
    1,842.07/2,759.05 = 1,190.83/x
  3. Step 3: Cross multiply
    1,842.07x = 2,759.05 × 1,190.83
  4. Step 4: Simplify right side
    1,842.07x = 3,285,559.51
  5. Step 5: Solve for x
    x = 3,285,559.51/1,842.07
  6. Step 6: Final answer
    x = 1,783.62

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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.