Home / 7,422.84-11,131.16-2,741.85

Finding the Fourth Proportional to 7,422.84, 11,131.16 and 2,741.85

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Solution

The fourth proportional to 7,422.84, 11,131.16 and 2,741.85 is: 4,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.84 : 11,131.16 = 2,741.85 : x
  2. Step 2: Convert to fraction form
    7,422.84/11,131.16 = 2,741.85/x
  3. Step 3: Cross multiply
    7,422.84x = 11,131.16 × 2,741.85
  4. Step 4: Simplify right side
    7,422.84x = 30,519,957.34
  5. Step 5: Solve for x
    x = 30,519,957.34/7,422.84
  6. Step 6: Final answer
    x = 4,111.63

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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.