Home / 3,251.50-4,487.07-1,759.41

Finding the Fourth Proportional to 3,251.50, 4,487.07 and 1,759.41

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Solution

The fourth proportional to 3,251.50, 4,487.07 and 1,759.41 is: 2,427.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.50 : 4,487.07 = 1,759.41 : x
  2. Step 2: Convert to fraction form
    3,251.50/4,487.07 = 1,759.41/x
  3. Step 3: Cross multiply
    3,251.50x = 4,487.07 × 1,759.41
  4. Step 4: Simplify right side
    3,251.50x = 7,894,592.53
  5. Step 5: Solve for x
    x = 7,894,592.53/3,251.50
  6. Step 6: Final answer
    x = 2,427.99

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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.