Home / 4,146.12-6,221.10-4,080.60

Finding the Fourth Proportional to 4,146.12, 6,221.10 and 4,080.60

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Solution

The fourth proportional to 4,146.12, 6,221.10 and 4,080.60 is: 6,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.12 : 6,221.10 = 4,080.60 : x
  2. Step 2: Convert to fraction form
    4,146.12/6,221.10 = 4,080.60/x
  3. Step 3: Cross multiply
    4,146.12x = 6,221.10 × 4,080.60
  4. Step 4: Simplify right side
    4,146.12x = 25,385,820.66
  5. Step 5: Solve for x
    x = 25,385,820.66/4,146.12
  6. Step 6: Final answer
    x = 6,122.79

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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.