Home / 7,763.79-11,633.54-3,081.27

Finding the Fourth Proportional to 7,763.79, 11,633.54 and 3,081.27

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Solution

The fourth proportional to 7,763.79, 11,633.54 and 3,081.27 is: 4,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.79 : 11,633.54 = 3,081.27 : x
  2. Step 2: Convert to fraction form
    7,763.79/11,633.54 = 3,081.27/x
  3. Step 3: Cross multiply
    7,763.79x = 11,633.54 × 3,081.27
  4. Step 4: Simplify right side
    7,763.79x = 35,846,062.39
  5. Step 5: Solve for x
    x = 35,846,062.39/7,763.79
  6. Step 6: Final answer
    x = 4,617.08

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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.