Home / 5,543.73-7,650.35-3,778.42

Finding the Fourth Proportional to 5,543.73, 7,650.35 and 3,778.42

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Solution

The fourth proportional to 5,543.73, 7,650.35 and 3,778.42 is: 5,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.73 : 7,650.35 = 3,778.42 : x
  2. Step 2: Convert to fraction form
    5,543.73/7,650.35 = 3,778.42/x
  3. Step 3: Cross multiply
    5,543.73x = 7,650.35 × 3,778.42
  4. Step 4: Simplify right side
    5,543.73x = 28,906,278.30
  5. Step 5: Solve for x
    x = 28,906,278.30/5,543.73
  6. Step 6: Final answer
    x = 5,214.22

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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.