Home / 7,390.38-10,198.71-4,246.56

Finding the Fourth Proportional to 7,390.38, 10,198.71 and 4,246.56

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Solution

The fourth proportional to 7,390.38, 10,198.71 and 4,246.56 is: 5,860.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.38 : 10,198.71 = 4,246.56 : x
  2. Step 2: Convert to fraction form
    7,390.38/10,198.71 = 4,246.56/x
  3. Step 3: Cross multiply
    7,390.38x = 10,198.71 × 4,246.56
  4. Step 4: Simplify right side
    7,390.38x = 43,309,433.94
  5. Step 5: Solve for x
    x = 43,309,433.94/7,390.38
  6. Step 6: Final answer
    x = 5,860.24

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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.