Home / 1,768.86-2,441.68-1,519.18

Finding the Fourth Proportional to 1,768.86, 2,441.68 and 1,519.18

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Solution

The fourth proportional to 1,768.86, 2,441.68 and 1,519.18 is: 2,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.86 : 2,441.68 = 1,519.18 : x
  2. Step 2: Convert to fraction form
    1,768.86/2,441.68 = 1,519.18/x
  3. Step 3: Cross multiply
    1,768.86x = 2,441.68 × 1,519.18
  4. Step 4: Simplify right side
    1,768.86x = 3,709,351.42
  5. Step 5: Solve for x
    x = 3,709,351.42/1,768.86
  6. Step 6: Final answer
    x = 2,097.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.