Home / 5,092.75-7,639.14-1,395.02

Finding the Fourth Proportional to 5,092.75, 7,639.14 and 1,395.02

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Solution

The fourth proportional to 5,092.75, 7,639.14 and 1,395.02 is: 2,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.75 : 7,639.14 = 1,395.02 : x
  2. Step 2: Convert to fraction form
    5,092.75/7,639.14 = 1,395.02/x
  3. Step 3: Cross multiply
    5,092.75x = 7,639.14 × 1,395.02
  4. Step 4: Simplify right side
    5,092.75x = 10,656,709.66
  5. Step 5: Solve for x
    x = 10,656,709.66/5,092.75
  6. Step 6: Final answer
    x = 2,092.52

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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.