Home / 3,251.20-4,486.62-1,759.08

Finding the Fourth Proportional to 3,251.20, 4,486.62 and 1,759.08

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Solution

The fourth proportional to 3,251.20, 4,486.62 and 1,759.08 is: 2,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.20 : 4,486.62 = 1,759.08 : x
  2. Step 2: Convert to fraction form
    3,251.20/4,486.62 = 1,759.08/x
  3. Step 3: Cross multiply
    3,251.20x = 4,486.62 × 1,759.08
  4. Step 4: Simplify right side
    3,251.20x = 7,892,316.87
  5. Step 5: Solve for x
    x = 7,892,316.87/3,251.20
  6. Step 6: Final answer
    x = 2,427.51

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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.