Home / 4,105.18-5,656.62-3,658.33

Finding the Fourth Proportional to 4,105.18, 5,656.62 and 3,658.33

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Solution

The fourth proportional to 4,105.18, 5,656.62 and 3,658.33 is: 5,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.18 : 5,656.62 = 3,658.33 : x
  2. Step 2: Convert to fraction form
    4,105.18/5,656.62 = 3,658.33/x
  3. Step 3: Cross multiply
    4,105.18x = 5,656.62 × 3,658.33
  4. Step 4: Simplify right side
    4,105.18x = 20,693,782.64
  5. Step 5: Solve for x
    x = 20,693,782.64/4,105.18
  6. Step 6: Final answer
    x = 5,040.90

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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.