Home / 3,675.77-5,072.57-1,997.18

Finding the Fourth Proportional to 3,675.77, 5,072.57 and 1,997.18

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Solution

The fourth proportional to 3,675.77, 5,072.57 and 1,997.18 is: 2,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.77 : 5,072.57 = 1,997.18 : x
  2. Step 2: Convert to fraction form
    3,675.77/5,072.57 = 1,997.18/x
  3. Step 3: Cross multiply
    3,675.77x = 5,072.57 × 1,997.18
  4. Step 4: Simplify right side
    3,675.77x = 10,130,835.35
  5. Step 5: Solve for x
    x = 10,130,835.35/3,675.77
  6. Step 6: Final answer
    x = 2,756.11

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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.