Home / 5,542.22-7,650.45-3,774.80

Finding the Fourth Proportional to 5,542.22, 7,650.45 and 3,774.80

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Solution

The fourth proportional to 5,542.22, 7,650.45 and 3,774.80 is: 5,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.22 : 7,650.45 = 3,774.80 : x
  2. Step 2: Convert to fraction form
    5,542.22/7,650.45 = 3,774.80/x
  3. Step 3: Cross multiply
    5,542.22x = 7,650.45 × 3,774.80
  4. Step 4: Simplify right side
    5,542.22x = 28,878,937.79
  5. Step 5: Solve for x
    x = 28,878,937.79/5,542.22
  6. Step 6: Final answer
    x = 5,210.71

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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.