Home / 7,925.22-11,887.83-2,081.82

Finding the Fourth Proportional to 7,925.22, 11,887.83 and 2,081.82

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Solution

The fourth proportional to 7,925.22, 11,887.83 and 2,081.82 is: 3,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.22 : 11,887.83 = 2,081.82 : x
  2. Step 2: Convert to fraction form
    7,925.22/11,887.83 = 2,081.82/x
  3. Step 3: Cross multiply
    7,925.22x = 11,887.83 × 2,081.82
  4. Step 4: Simplify right side
    7,925.22x = 24,748,322.25
  5. Step 5: Solve for x
    x = 24,748,322.25/7,925.22
  6. Step 6: Final answer
    x = 3,122.73

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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.