Home / 5,079.96-7,010.16-2,841.90

Finding the Fourth Proportional to 5,079.96, 7,010.16 and 2,841.90

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Solution

The fourth proportional to 5,079.96, 7,010.16 and 2,841.90 is: 3,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.96 : 7,010.16 = 2,841.90 : x
  2. Step 2: Convert to fraction form
    5,079.96/7,010.16 = 2,841.90/x
  3. Step 3: Cross multiply
    5,079.96x = 7,010.16 × 2,841.90
  4. Step 4: Simplify right side
    5,079.96x = 19,922,173.70
  5. Step 5: Solve for x
    x = 19,922,173.70/5,079.96
  6. Step 6: Final answer
    x = 3,921.72

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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.