Home / 7,835.79-11,753.73-3,157.95

Finding the Fourth Proportional to 7,835.79, 11,753.73 and 3,157.95

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Solution

The fourth proportional to 7,835.79, 11,753.73 and 3,157.95 is: 4,736.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.79 : 11,753.73 = 3,157.95 : x
  2. Step 2: Convert to fraction form
    7,835.79/11,753.73 = 3,157.95/x
  3. Step 3: Cross multiply
    7,835.79x = 11,753.73 × 3,157.95
  4. Step 4: Simplify right side
    7,835.79x = 37,117,691.65
  5. Step 5: Solve for x
    x = 37,117,691.65/7,835.79
  6. Step 6: Final answer
    x = 4,736.94

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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.