Home / 7,731.25-11,581.52-3,823.73

Finding the Fourth Proportional to 7,731.25, 11,581.52 and 3,823.73

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Solution

The fourth proportional to 7,731.25, 11,581.52 and 3,823.73 is: 5,728.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.25 : 11,581.52 = 3,823.73 : x
  2. Step 2: Convert to fraction form
    7,731.25/11,581.52 = 3,823.73/x
  3. Step 3: Cross multiply
    7,731.25x = 11,581.52 × 3,823.73
  4. Step 4: Simplify right side
    7,731.25x = 44,284,586.35
  5. Step 5: Solve for x
    x = 44,284,586.35/7,731.25
  6. Step 6: Final answer
    x = 5,728.00

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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.