Home / 7,379.27-10,185.65-5,022.78

Finding the Fourth Proportional to 7,379.27, 10,185.65 and 5,022.78

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Solution

The fourth proportional to 7,379.27, 10,185.65 and 5,022.78 is: 6,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.27 : 10,185.65 = 5,022.78 : x
  2. Step 2: Convert to fraction form
    7,379.27/10,185.65 = 5,022.78/x
  3. Step 3: Cross multiply
    7,379.27x = 10,185.65 × 5,022.78
  4. Step 4: Simplify right side
    7,379.27x = 51,160,253.99
  5. Step 5: Solve for x
    x = 51,160,253.99/7,379.27
  6. Step 6: Final answer
    x = 6,932.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.