Home / 3,675.15-5,071.75-1,996.56

Finding the Fourth Proportional to 3,675.15, 5,071.75 and 1,996.56

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Solution

The fourth proportional to 3,675.15, 5,071.75 and 1,996.56 is: 2,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.15 : 5,071.75 = 1,996.56 : x
  2. Step 2: Convert to fraction form
    3,675.15/5,071.75 = 1,996.56/x
  3. Step 3: Cross multiply
    3,675.15x = 5,071.75 × 1,996.56
  4. Step 4: Simplify right side
    3,675.15x = 10,126,053.18
  5. Step 5: Solve for x
    x = 10,126,053.18/3,675.15
  6. Step 6: Final answer
    x = 2,755.28

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1.5x scale

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.