Home / 5,079.81-7,010.78-2,841.81

Finding the Fourth Proportional to 5,079.81, 7,010.78 and 2,841.81

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Solution

The fourth proportional to 5,079.81, 7,010.78 and 2,841.81 is: 3,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.81 : 7,010.78 = 2,841.81 : x
  2. Step 2: Convert to fraction form
    5,079.81/7,010.78 = 2,841.81/x
  3. Step 3: Cross multiply
    5,079.81x = 7,010.78 × 2,841.81
  4. Step 4: Simplify right side
    5,079.81x = 19,923,304.71
  5. Step 5: Solve for x
    x = 19,923,304.71/5,079.81
  6. Step 6: Final answer
    x = 3,922.06

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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.