Home / 7,305.72-10,082.82-4,789.95

Finding the Fourth Proportional to 7,305.72, 10,082.82 and 4,789.95

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Solution

The fourth proportional to 7,305.72, 10,082.82 and 4,789.95 is: 6,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.72 : 10,082.82 = 4,789.95 : x
  2. Step 2: Convert to fraction form
    7,305.72/10,082.82 = 4,789.95/x
  3. Step 3: Cross multiply
    7,305.72x = 10,082.82 × 4,789.95
  4. Step 4: Simplify right side
    7,305.72x = 48,296,203.66
  5. Step 5: Solve for x
    x = 48,296,203.66/7,305.72
  6. Step 6: Final answer
    x = 6,610.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.