Home / 5,079.33-7,618.79-1,792.46

Finding the Fourth Proportional to 5,079.33, 7,618.79 and 1,792.46

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Solution

The fourth proportional to 5,079.33, 7,618.79 and 1,792.46 is: 2,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.33 : 7,618.79 = 1,792.46 : x
  2. Step 2: Convert to fraction form
    5,079.33/7,618.79 = 1,792.46/x
  3. Step 3: Cross multiply
    5,079.33x = 7,618.79 × 1,792.46
  4. Step 4: Simplify right side
    5,079.33x = 13,656,399.85
  5. Step 5: Solve for x
    x = 13,656,399.85/5,079.33
  6. Step 6: Final answer
    x = 2,688.62

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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.