Home / 2,509.48-3,763.61-1,192.65

Finding the Fourth Proportional to 2,509.48, 3,763.61 and 1,192.65

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Solution

The fourth proportional to 2,509.48, 3,763.61 and 1,192.65 is: 1,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.48 : 3,763.61 = 1,192.65 : x
  2. Step 2: Convert to fraction form
    2,509.48/3,763.61 = 1,192.65/x
  3. Step 3: Cross multiply
    2,509.48x = 3,763.61 × 1,192.65
  4. Step 4: Simplify right side
    2,509.48x = 4,488,644.69
  5. Step 5: Solve for x
    x = 4,488,644.69/2,509.48
  6. Step 6: Final answer
    x = 1,788.68

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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.