Home / 3,591.98-5,388.85-1,512.14

Finding the Fourth Proportional to 3,591.98, 5,388.85 and 1,512.14

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Solution

The fourth proportional to 3,591.98, 5,388.85 and 1,512.14 is: 2,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.98 : 5,388.85 = 1,512.14 : x
  2. Step 2: Convert to fraction form
    3,591.98/5,388.85 = 1,512.14/x
  3. Step 3: Cross multiply
    3,591.98x = 5,388.85 × 1,512.14
  4. Step 4: Simplify right side
    3,591.98x = 8,148,695.64
  5. Step 5: Solve for x
    x = 8,148,695.64/3,591.98
  6. Step 6: Final answer
    x = 2,268.58

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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.