Home / 7,754.25-11,631.38-2,560.53

Finding the Fourth Proportional to 7,754.25, 11,631.38 and 2,560.53

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Solution

The fourth proportional to 7,754.25, 11,631.38 and 2,560.53 is: 3,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.25 : 11,631.38 = 2,560.53 : x
  2. Step 2: Convert to fraction form
    7,754.25/11,631.38 = 2,560.53/x
  3. Step 3: Cross multiply
    7,754.25x = 11,631.38 × 2,560.53
  4. Step 4: Simplify right side
    7,754.25x = 29,782,484.63
  5. Step 5: Solve for x
    x = 29,782,484.63/7,754.25
  6. Step 6: Final answer
    x = 3,840.80

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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.