Home / 7,177.44-10,769.40-3,665.28

Finding the Fourth Proportional to 7,177.44, 10,769.40 and 3,665.28

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Solution

The fourth proportional to 7,177.44, 10,769.40 and 3,665.28 is: 5,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.44 : 10,769.40 = 3,665.28 : x
  2. Step 2: Convert to fraction form
    7,177.44/10,769.40 = 3,665.28/x
  3. Step 3: Cross multiply
    7,177.44x = 10,769.40 × 3,665.28
  4. Step 4: Simplify right side
    7,177.44x = 39,472,866.43
  5. Step 5: Solve for x
    x = 39,472,866.43/7,177.44
  6. Step 6: Final answer
    x = 5,499.57

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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.