Home / 10,629.23-15,944.45-2,731.79

Finding the Fourth Proportional to 10,629.23, 15,944.45 and 2,731.79

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Solution

The fourth proportional to 10,629.23, 15,944.45 and 2,731.79 is: 4,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.23 : 15,944.45 = 2,731.79 : x
  2. Step 2: Convert to fraction form
    10,629.23/15,944.45 = 2,731.79/x
  3. Step 3: Cross multiply
    10,629.23x = 15,944.45 × 2,731.79
  4. Step 4: Simplify right side
    10,629.23x = 43,556,915.27
  5. Step 5: Solve for x
    x = 43,556,915.27/10,629.23
  6. Step 6: Final answer
    x = 4,097.84

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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.