Home / 6,135.20-8,462.12-3,776.48

Finding the Fourth Proportional to 6,135.20, 8,462.12 and 3,776.48

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Solution

The fourth proportional to 6,135.20, 8,462.12 and 3,776.48 is: 5,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.20 : 8,462.12 = 3,776.48 : x
  2. Step 2: Convert to fraction form
    6,135.20/8,462.12 = 3,776.48/x
  3. Step 3: Cross multiply
    6,135.20x = 8,462.12 × 3,776.48
  4. Step 4: Simplify right side
    6,135.20x = 31,957,026.94
  5. Step 5: Solve for x
    x = 31,957,026.94/6,135.20
  6. Step 6: Final answer
    x = 5,208.80

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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.