Home / 4,125.82-5,691.72-3,004.96

Finding the Fourth Proportional to 4,125.82, 5,691.72 and 3,004.96

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Solution

The fourth proportional to 4,125.82, 5,691.72 and 3,004.96 is: 4,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.82 : 5,691.72 = 3,004.96 : x
  2. Step 2: Convert to fraction form
    4,125.82/5,691.72 = 3,004.96/x
  3. Step 3: Cross multiply
    4,125.82x = 5,691.72 × 3,004.96
  4. Step 4: Simplify right side
    4,125.82x = 17,103,390.93
  5. Step 5: Solve for x
    x = 17,103,390.93/4,125.82
  6. Step 6: Final answer
    x = 4,145.45

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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.