Home / 3,975.12-5,962.73-1,201.82

Finding the Fourth Proportional to 3,975.12, 5,962.73 and 1,201.82

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Solution

The fourth proportional to 3,975.12, 5,962.73 and 1,201.82 is: 1,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.12 : 5,962.73 = 1,201.82 : x
  2. Step 2: Convert to fraction form
    3,975.12/5,962.73 = 1,201.82/x
  3. Step 3: Cross multiply
    3,975.12x = 5,962.73 × 1,201.82
  4. Step 4: Simplify right side
    3,975.12x = 7,166,128.17
  5. Step 5: Solve for x
    x = 7,166,128.17/3,975.12
  6. Step 6: Final answer
    x = 1,802.75

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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.