Home / 5,070.22-7,600.80-2,731.48

Finding the Fourth Proportional to 5,070.22, 7,600.80 and 2,731.48

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Solution

The fourth proportional to 5,070.22, 7,600.80 and 2,731.48 is: 4,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.22 : 7,600.80 = 2,731.48 : x
  2. Step 2: Convert to fraction form
    5,070.22/7,600.80 = 2,731.48/x
  3. Step 3: Cross multiply
    5,070.22x = 7,600.80 × 2,731.48
  4. Step 4: Simplify right side
    5,070.22x = 20,761,433.18
  5. Step 5: Solve for x
    x = 20,761,433.18/5,070.22
  6. Step 6: Final answer
    x = 4,094.78

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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.