Home / 4,092.12-6,138.38-1,170.45

Finding the Fourth Proportional to 4,092.12, 6,138.38 and 1,170.45

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Solution

The fourth proportional to 4,092.12, 6,138.38 and 1,170.45 is: 1,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.12 : 6,138.38 = 1,170.45 : x
  2. Step 2: Convert to fraction form
    4,092.12/6,138.38 = 1,170.45/x
  3. Step 3: Cross multiply
    4,092.12x = 6,138.38 × 1,170.45
  4. Step 4: Simplify right side
    4,092.12x = 7,184,669.80
  5. Step 5: Solve for x
    x = 7,184,669.80/4,092.12
  6. Step 6: Final answer
    x = 1,755.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.