Home / 7,268.38-10,030.36-4,081.68

Finding the Fourth Proportional to 7,268.38, 10,030.36 and 4,081.68

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Solution

The fourth proportional to 7,268.38, 10,030.36 and 4,081.68 is: 5,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268.38 : 10,030.36 = 4,081.68 : x
  2. Step 2: Convert to fraction form
    7,268.38/10,030.36 = 4,081.68/x
  3. Step 3: Cross multiply
    7,268.38x = 10,030.36 × 4,081.68
  4. Step 4: Simplify right side
    7,268.38x = 40,940,699.21
  5. Step 5: Solve for x
    x = 40,940,699.21/7,268.38
  6. Step 6: Final answer
    x = 5,632.71

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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.