Home / 5,057.31-6,979.53-3,068.96

Finding the Fourth Proportional to 5,057.31, 6,979.53 and 3,068.96

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Solution

The fourth proportional to 5,057.31, 6,979.53 and 3,068.96 is: 4,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.31 : 6,979.53 = 3,068.96 : x
  2. Step 2: Convert to fraction form
    5,057.31/6,979.53 = 3,068.96/x
  3. Step 3: Cross multiply
    5,057.31x = 6,979.53 × 3,068.96
  4. Step 4: Simplify right side
    5,057.31x = 21,419,898.39
  5. Step 5: Solve for x
    x = 21,419,898.39/5,057.31
  6. Step 6: Final answer
    x = 4,235.43

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Why These Related Problems?

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