Home / 7,557.42-11,321.54-3,664.56

Finding the Fourth Proportional to 7,557.42, 11,321.54 and 3,664.56

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Solution

The fourth proportional to 7,557.42, 11,321.54 and 3,664.56 is: 5,489.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.42 : 11,321.54 = 3,664.56 : x
  2. Step 2: Convert to fraction form
    7,557.42/11,321.54 = 3,664.56/x
  3. Step 3: Cross multiply
    7,557.42x = 11,321.54 × 3,664.56
  4. Step 4: Simplify right side
    7,557.42x = 41,488,462.62
  5. Step 5: Solve for x
    x = 41,488,462.62/7,557.42
  6. Step 6: Final answer
    x = 5,489.77

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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.