Home / 7,273.31-10,913.21-3,809.75

Finding the Fourth Proportional to 7,273.31, 10,913.21 and 3,809.75

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Solution

The fourth proportional to 7,273.31, 10,913.21 and 3,809.75 is: 5,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.31 : 10,913.21 = 3,809.75 : x
  2. Step 2: Convert to fraction form
    7,273.31/10,913.21 = 3,809.75/x
  3. Step 3: Cross multiply
    7,273.31x = 10,913.21 × 3,809.75
  4. Step 4: Simplify right side
    7,273.31x = 41,576,582.75
  5. Step 5: Solve for x
    x = 41,576,582.75/7,273.31
  6. Step 6: Final answer
    x = 5,716.32

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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.