Home / 5,189.22-7,160.97-2,951.34

Finding the Fourth Proportional to 5,189.22, 7,160.97 and 2,951.34

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Solution

The fourth proportional to 5,189.22, 7,160.97 and 2,951.34 is: 4,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.22 : 7,160.97 = 2,951.34 : x
  2. Step 2: Convert to fraction form
    5,189.22/7,160.97 = 2,951.34/x
  3. Step 3: Cross multiply
    5,189.22x = 7,160.97 × 2,951.34
  4. Step 4: Simplify right side
    5,189.22x = 21,134,457.20
  5. Step 5: Solve for x
    x = 21,134,457.20/5,189.22
  6. Step 6: Final answer
    x = 4,072.76

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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.