Home / 4,106.97-6,161.37-1,185.05

Finding the Fourth Proportional to 4,106.97, 6,161.37 and 1,185.05

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Solution

The fourth proportional to 4,106.97, 6,161.37 and 1,185.05 is: 1,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.97 : 6,161.37 = 1,185.05 : x
  2. Step 2: Convert to fraction form
    4,106.97/6,161.37 = 1,185.05/x
  3. Step 3: Cross multiply
    4,106.97x = 6,161.37 × 1,185.05
  4. Step 4: Simplify right side
    4,106.97x = 7,301,507.82
  5. Step 5: Solve for x
    x = 7,301,507.82/4,106.97
  6. Step 6: Final answer
    x = 1,777.83

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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.