Home / 4,932.31-7,399.29-1,646.41

Finding the Fourth Proportional to 4,932.31, 7,399.29 and 1,646.41

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Solution

The fourth proportional to 4,932.31, 7,399.29 and 1,646.41 is: 2,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.31 : 7,399.29 = 1,646.41 : x
  2. Step 2: Convert to fraction form
    4,932.31/7,399.29 = 1,646.41/x
  3. Step 3: Cross multiply
    4,932.31x = 7,399.29 × 1,646.41
  4. Step 4: Simplify right side
    4,932.31x = 12,182,265.05
  5. Step 5: Solve for x
    x = 12,182,265.05/4,932.31
  6. Step 6: Final answer
    x = 2,469.89

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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.