Home / 6,090.07-8,400.75-4,198.72

Finding the Fourth Proportional to 6,090.07, 8,400.75 and 4,198.72

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Solution

The fourth proportional to 6,090.07, 8,400.75 and 4,198.72 is: 5,791.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.07 : 8,400.75 = 4,198.72 : x
  2. Step 2: Convert to fraction form
    6,090.07/8,400.75 = 4,198.72/x
  3. Step 3: Cross multiply
    6,090.07x = 8,400.75 × 4,198.72
  4. Step 4: Simplify right side
    6,090.07x = 35,272,397.04
  5. Step 5: Solve for x
    x = 35,272,397.04/6,090.07
  6. Step 6: Final answer
    x = 5,791.79

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Half scale
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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.