Home / 4,091.77-6,138.66-1,170.10

Finding the Fourth Proportional to 4,091.77, 6,138.66 and 1,170.10

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Solution

The fourth proportional to 4,091.77, 6,138.66 and 1,170.10 is: 1,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.77 : 6,138.66 = 1,170.10 : x
  2. Step 2: Convert to fraction form
    4,091.77/6,138.66 = 1,170.10/x
  3. Step 3: Cross multiply
    4,091.77x = 6,138.66 × 1,170.10
  4. Step 4: Simplify right side
    4,091.77x = 7,182,815.37
  5. Step 5: Solve for x
    x = 7,182,815.37/4,091.77
  6. Step 6: Final answer
    x = 1,755.43

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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.