Home / 3,512.44-5,261.88-1,866.76

Finding the Fourth Proportional to 3,512.44, 5,261.88 and 1,866.76

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Solution

The fourth proportional to 3,512.44, 5,261.88 and 1,866.76 is: 2,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.44 : 5,261.88 = 1,866.76 : x
  2. Step 2: Convert to fraction form
    3,512.44/5,261.88 = 1,866.76/x
  3. Step 3: Cross multiply
    3,512.44x = 5,261.88 × 1,866.76
  4. Step 4: Simplify right side
    3,512.44x = 9,822,667.11
  5. Step 5: Solve for x
    x = 9,822,667.11/3,512.44
  6. Step 6: Final answer
    x = 2,796.54

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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.