Home / 7,180.34-10,766.07-2,792.66

Finding the Fourth Proportional to 7,180.34, 10,766.07 and 2,792.66

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Solution

The fourth proportional to 7,180.34, 10,766.07 and 2,792.66 is: 4,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.34 : 10,766.07 = 2,792.66 : x
  2. Step 2: Convert to fraction form
    7,180.34/10,766.07 = 2,792.66/x
  3. Step 3: Cross multiply
    7,180.34x = 10,766.07 × 2,792.66
  4. Step 4: Simplify right side
    7,180.34x = 30,065,973.05
  5. Step 5: Solve for x
    x = 30,065,973.05/7,180.34
  6. Step 6: Final answer
    x = 4,187.26

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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.