Home / 4,080.22-6,118.47-1,306.26

Finding the Fourth Proportional to 4,080.22, 6,118.47 and 1,306.26

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Solution

The fourth proportional to 4,080.22, 6,118.47 and 1,306.26 is: 1,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.22 : 6,118.47 = 1,306.26 : x
  2. Step 2: Convert to fraction form
    4,080.22/6,118.47 = 1,306.26/x
  3. Step 3: Cross multiply
    4,080.22x = 6,118.47 × 1,306.26
  4. Step 4: Simplify right side
    4,080.22x = 7,992,312.62
  5. Step 5: Solve for x
    x = 7,992,312.62/4,080.22
  6. Step 6: Final answer
    x = 1,958.79

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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.