Home / 4,004.22-5,513.80-3,770.42

Finding the Fourth Proportional to 4,004.22, 5,513.80 and 3,770.42

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Solution

The fourth proportional to 4,004.22, 5,513.80 and 3,770.42 is: 5,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,004.22 : 5,513.80 = 3,770.42 : x
  2. Step 2: Convert to fraction form
    4,004.22/5,513.80 = 3,770.42/x
  3. Step 3: Cross multiply
    4,004.22x = 5,513.80 × 3,770.42
  4. Step 4: Simplify right side
    4,004.22x = 20,789,341.80
  5. Step 5: Solve for x
    x = 20,789,341.80/4,004.22
  6. Step 6: Final answer
    x = 5,191.86

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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.