Home / 4,917.31-7,383.36-4,231.45

Finding the Fourth Proportional to 4,917.31, 7,383.36 and 4,231.45

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Solution

The fourth proportional to 4,917.31, 7,383.36 and 4,231.45 is: 6,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.31 : 7,383.36 = 4,231.45 : x
  2. Step 2: Convert to fraction form
    4,917.31/7,383.36 = 4,231.45/x
  3. Step 3: Cross multiply
    4,917.31x = 7,383.36 × 4,231.45
  4. Step 4: Simplify right side
    4,917.31x = 31,242,318.67
  5. Step 5: Solve for x
    x = 31,242,318.67/4,917.31
  6. Step 6: Final answer
    x = 6,353.54

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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.