Home / 5,072.22-6,995.36-4,279.43

Finding the Fourth Proportional to 5,072.22, 6,995.36 and 4,279.43

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Solution

The fourth proportional to 5,072.22, 6,995.36 and 4,279.43 is: 5,901.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.22 : 6,995.36 = 4,279.43 : x
  2. Step 2: Convert to fraction form
    5,072.22/6,995.36 = 4,279.43/x
  3. Step 3: Cross multiply
    5,072.22x = 6,995.36 × 4,279.43
  4. Step 4: Simplify right side
    5,072.22x = 29,936,181.63
  5. Step 5: Solve for x
    x = 29,936,181.63/5,072.22
  6. Step 6: Final answer
    x = 5,901.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.