Home / 7,961.58-11,938.24-3,575.28

Finding the Fourth Proportional to 7,961.58, 11,938.24 and 3,575.28

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Solution

The fourth proportional to 7,961.58, 11,938.24 and 3,575.28 is: 5,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.58 : 11,938.24 = 3,575.28 : x
  2. Step 2: Convert to fraction form
    7,961.58/11,938.24 = 3,575.28/x
  3. Step 3: Cross multiply
    7,961.58x = 11,938.24 × 3,575.28
  4. Step 4: Simplify right side
    7,961.58x = 42,682,550.71
  5. Step 5: Solve for x
    x = 42,682,550.71/7,961.58
  6. Step 6: Final answer
    x = 5,361.07

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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.