Home / 5,713.97-7,885.40-3,196.01

Finding the Fourth Proportional to 5,713.97, 7,885.40 and 3,196.01

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Solution

The fourth proportional to 5,713.97, 7,885.40 and 3,196.01 is: 4,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.97 : 7,885.40 = 3,196.01 : x
  2. Step 2: Convert to fraction form
    5,713.97/7,885.40 = 3,196.01/x
  3. Step 3: Cross multiply
    5,713.97x = 7,885.40 × 3,196.01
  4. Step 4: Simplify right side
    5,713.97x = 25,201,761.85
  5. Step 5: Solve for x
    x = 25,201,761.85/5,713.97
  6. Step 6: Final answer
    x = 4,410.56

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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.