Home / 5,231.04-7,842.72-2,456.28

Finding the Fourth Proportional to 5,231.04, 7,842.72 and 2,456.28

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Solution

The fourth proportional to 5,231.04, 7,842.72 and 2,456.28 is: 3,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.04 : 7,842.72 = 2,456.28 : x
  2. Step 2: Convert to fraction form
    5,231.04/7,842.72 = 2,456.28/x
  3. Step 3: Cross multiply
    5,231.04x = 7,842.72 × 2,456.28
  4. Step 4: Simplify right side
    5,231.04x = 19,263,916.28
  5. Step 5: Solve for x
    x = 19,263,916.28/5,231.04
  6. Step 6: Final answer
    x = 3,682.62

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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.