Home / 2,707.20-4,057.82-1,768.99

Finding the Fourth Proportional to 2,707.20, 4,057.82 and 1,768.99

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Solution

The fourth proportional to 2,707.20, 4,057.82 and 1,768.99 is: 2,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.20 : 4,057.82 = 1,768.99 : x
  2. Step 2: Convert to fraction form
    2,707.20/4,057.82 = 1,768.99/x
  3. Step 3: Cross multiply
    2,707.20x = 4,057.82 × 1,768.99
  4. Step 4: Simplify right side
    2,707.20x = 7,178,222.71
  5. Step 5: Solve for x
    x = 7,178,222.71/2,707.20
  6. Step 6: Final answer
    x = 2,651.54

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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.