Home / 7,880.76-11,821.26-2,334.66

Finding the Fourth Proportional to 7,880.76, 11,821.26 and 2,334.66

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Solution

The fourth proportional to 7,880.76, 11,821.26 and 2,334.66 is: 3,502.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.76 : 11,821.26 = 2,334.66 : x
  2. Step 2: Convert to fraction form
    7,880.76/11,821.26 = 2,334.66/x
  3. Step 3: Cross multiply
    7,880.76x = 11,821.26 × 2,334.66
  4. Step 4: Simplify right side
    7,880.76x = 27,598,622.87
  5. Step 5: Solve for x
    x = 27,598,622.87/7,880.76
  6. Step 6: Final answer
    x = 3,502.03

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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.