Home / 4,679.11-6,998.15-4,072.22

Finding the Fourth Proportional to 4,679.11, 6,998.15 and 4,072.22

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Solution

The fourth proportional to 4,679.11, 6,998.15 and 4,072.22 is: 6,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.11 : 6,998.15 = 4,072.22 : x
  2. Step 2: Convert to fraction form
    4,679.11/6,998.15 = 4,072.22/x
  3. Step 3: Cross multiply
    4,679.11x = 6,998.15 × 4,072.22
  4. Step 4: Simplify right side
    4,679.11x = 28,498,007.83
  5. Step 5: Solve for x
    x = 28,498,007.83/4,679.11
  6. Step 6: Final answer
    x = 6,090.47

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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.