Home / 3,250.30-4,878.65-1,608.70

Finding the Fourth Proportional to 3,250.30, 4,878.65 and 1,608.70

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Solution

The fourth proportional to 3,250.30, 4,878.65 and 1,608.70 is: 2,414.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.30 : 4,878.65 = 1,608.70 : x
  2. Step 2: Convert to fraction form
    3,250.30/4,878.65 = 1,608.70/x
  3. Step 3: Cross multiply
    3,250.30x = 4,878.65 × 1,608.70
  4. Step 4: Simplify right side
    3,250.30x = 7,848,284.26
  5. Step 5: Solve for x
    x = 7,848,284.26/3,250.30
  6. Step 6: Final answer
    x = 2,414.63

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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.