Home / 7,390.44-11,086.56-2,709.90

Finding the Fourth Proportional to 7,390.44, 11,086.56 and 2,709.90

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Solution

The fourth proportional to 7,390.44, 11,086.56 and 2,709.90 is: 4,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.44 : 11,086.56 = 2,709.90 : x
  2. Step 2: Convert to fraction form
    7,390.44/11,086.56 = 2,709.90/x
  3. Step 3: Cross multiply
    7,390.44x = 11,086.56 × 2,709.90
  4. Step 4: Simplify right side
    7,390.44x = 30,043,468.94
  5. Step 5: Solve for x
    x = 30,043,468.94/7,390.44
  6. Step 6: Final answer
    x = 4,065.18

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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.