Home / 5,212.56-7,820.30-2,094.76

Finding the Fourth Proportional to 5,212.56, 7,820.30 and 2,094.76

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Solution

The fourth proportional to 5,212.56, 7,820.30 and 2,094.76 is: 3,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.56 : 7,820.30 = 2,094.76 : x
  2. Step 2: Convert to fraction form
    5,212.56/7,820.30 = 2,094.76/x
  3. Step 3: Cross multiply
    5,212.56x = 7,820.30 × 2,094.76
  4. Step 4: Simplify right side
    5,212.56x = 16,381,610.87
  5. Step 5: Solve for x
    x = 16,381,610.87/5,212.56
  6. Step 6: Final answer
    x = 3,142.72

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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.