Home / 5,105.91-7,657.04-1,773.30

Finding the Fourth Proportional to 5,105.91, 7,657.04 and 1,773.30

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Solution

The fourth proportional to 5,105.91, 7,657.04 and 1,773.30 is: 2,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.91 : 7,657.04 = 1,773.30 : x
  2. Step 2: Convert to fraction form
    5,105.91/7,657.04 = 1,773.30/x
  3. Step 3: Cross multiply
    5,105.91x = 7,657.04 × 1,773.30
  4. Step 4: Simplify right side
    5,105.91x = 13,578,233.47
  5. Step 5: Solve for x
    x = 13,578,233.47/5,105.91
  6. Step 6: Final answer
    x = 2,659.32

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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.