Home / 5,307.14-7,949.54-2,531.00

Finding the Fourth Proportional to 5,307.14, 7,949.54 and 2,531.00

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Solution

The fourth proportional to 5,307.14, 7,949.54 and 2,531.00 is: 3,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.14 : 7,949.54 = 2,531.00 : x
  2. Step 2: Convert to fraction form
    5,307.14/7,949.54 = 2,531.00/x
  3. Step 3: Cross multiply
    5,307.14x = 7,949.54 × 2,531.00
  4. Step 4: Simplify right side
    5,307.14x = 20,120,311.94
  5. Step 5: Solve for x
    x = 20,120,311.94/5,307.14
  6. Step 6: Final answer
    x = 3,791.18

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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.