Home / 5,231-7,848.30-2,924.12

Finding the Fourth Proportional to 5,231, 7,848.30 and 2,924.12

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Solution

The fourth proportional to 5,231, 7,848.30 and 2,924.12 is: 4,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231 : 7,848.30 = 2,924.12 : x
  2. Step 2: Convert to fraction form
    5,231/7,848.30 = 2,924.12/x
  3. Step 3: Cross multiply
    5,231x = 7,848.30 × 2,924.12
  4. Step 4: Simplify right side
    5,231x = 22,949,371.00
  5. Step 5: Solve for x
    x = 22,949,371.00/5,231
  6. Step 6: Final answer
    x = 4,387.19

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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.