Home / 7,422.53-11,140.43-3,914.82

Finding the Fourth Proportional to 7,422.53, 11,140.43 and 3,914.82

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Solution

The fourth proportional to 7,422.53, 11,140.43 and 3,914.82 is: 5,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.53 : 11,140.43 = 3,914.82 : x
  2. Step 2: Convert to fraction form
    7,422.53/11,140.43 = 3,914.82/x
  3. Step 3: Cross multiply
    7,422.53x = 11,140.43 × 3,914.82
  4. Step 4: Simplify right side
    7,422.53x = 43,612,758.60
  5. Step 5: Solve for x
    x = 43,612,758.60/7,422.53
  6. Step 6: Final answer
    x = 5,875.73

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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.