Home / 5,146.26-7,720.46-2,068.26

Finding the Fourth Proportional to 5,146.26, 7,720.46 and 2,068.26

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Solution

The fourth proportional to 5,146.26, 7,720.46 and 2,068.26 is: 3,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.26 : 7,720.46 = 2,068.26 : x
  2. Step 2: Convert to fraction form
    5,146.26/7,720.46 = 2,068.26/x
  3. Step 3: Cross multiply
    5,146.26x = 7,720.46 × 2,068.26
  4. Step 4: Simplify right side
    5,146.26x = 15,967,918.60
  5. Step 5: Solve for x
    x = 15,967,918.60/5,146.26
  6. Step 6: Final answer
    x = 3,102.82

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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.