Home / 4,121.10-6,183.09-1,199.58

Finding the Fourth Proportional to 4,121.10, 6,183.09 and 1,199.58

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Solution

The fourth proportional to 4,121.10, 6,183.09 and 1,199.58 is: 1,799.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.10 : 6,183.09 = 1,199.58 : x
  2. Step 2: Convert to fraction form
    4,121.10/6,183.09 = 1,199.58/x
  3. Step 3: Cross multiply
    4,121.10x = 6,183.09 × 1,199.58
  4. Step 4: Simplify right side
    4,121.10x = 7,417,111.10
  5. Step 5: Solve for x
    x = 7,417,111.10/4,121.10
  6. Step 6: Final answer
    x = 1,799.79

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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.