Home / 3,899.97-5,852.34-1,926.86

Finding the Fourth Proportional to 3,899.97, 5,852.34 and 1,926.86

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Solution

The fourth proportional to 3,899.97, 5,852.34 and 1,926.86 is: 2,891.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.97 : 5,852.34 = 1,926.86 : x
  2. Step 2: Convert to fraction form
    3,899.97/5,852.34 = 1,926.86/x
  3. Step 3: Cross multiply
    3,899.97x = 5,852.34 × 1,926.86
  4. Step 4: Simplify right side
    3,899.97x = 11,276,610.59
  5. Step 5: Solve for x
    x = 11,276,610.59/3,899.97
  6. Step 6: Final answer
    x = 2,891.46

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1.5x scale

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.