Home / 7,631.73-11,447.80-2,437.61

Finding the Fourth Proportional to 7,631.73, 11,447.80 and 2,437.61

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Solution

The fourth proportional to 7,631.73, 11,447.80 and 2,437.61 is: 3,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.73 : 11,447.80 = 2,437.61 : x
  2. Step 2: Convert to fraction form
    7,631.73/11,447.80 = 2,437.61/x
  3. Step 3: Cross multiply
    7,631.73x = 11,447.80 × 2,437.61
  4. Step 4: Simplify right side
    7,631.73x = 27,905,208.42
  5. Step 5: Solve for x
    x = 27,905,208.42/7,631.73
  6. Step 6: Final answer
    x = 3,656.47

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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.