Home / 7,342.86-10,131.39-4,198.26

Finding the Fourth Proportional to 7,342.86, 10,131.39 and 4,198.26

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Solution

The fourth proportional to 7,342.86, 10,131.39 and 4,198.26 is: 5,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.86 : 10,131.39 = 4,198.26 : x
  2. Step 2: Convert to fraction form
    7,342.86/10,131.39 = 4,198.26/x
  3. Step 3: Cross multiply
    7,342.86x = 10,131.39 × 4,198.26
  4. Step 4: Simplify right side
    7,342.86x = 42,534,209.38
  5. Step 5: Solve for x
    x = 42,534,209.38/7,342.86
  6. Step 6: Final answer
    x = 5,792.59

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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.