Home / 5,318.88-7,342.64-3,649.12

Finding the Fourth Proportional to 5,318.88, 7,342.64 and 3,649.12

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Solution

The fourth proportional to 5,318.88, 7,342.64 and 3,649.12 is: 5,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.88 : 7,342.64 = 3,649.12 : x
  2. Step 2: Convert to fraction form
    5,318.88/7,342.64 = 3,649.12/x
  3. Step 3: Cross multiply
    5,318.88x = 7,342.64 × 3,649.12
  4. Step 4: Simplify right side
    5,318.88x = 26,794,174.48
  5. Step 5: Solve for x
    x = 26,794,174.48/5,318.88
  6. Step 6: Final answer
    x = 5,037.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.