Home / 5,116.88-7,061.30-3,021

Finding the Fourth Proportional to 5,116.88, 7,061.30 and 3,021

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Solution

The fourth proportional to 5,116.88, 7,061.30 and 3,021 is: 4,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.88 : 7,061.30 = 3,021 : x
  2. Step 2: Convert to fraction form
    5,116.88/7,061.30 = 3,021/x
  3. Step 3: Cross multiply
    5,116.88x = 7,061.30 × 3,021
  4. Step 4: Simplify right side
    5,116.88x = 21,332,172.20
  5. Step 5: Solve for x
    x = 21,332,172.20/5,116.88
  6. Step 6: Final answer
    x = 4,168.98

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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.