Home / 3,251.46-4,487.00-1,759.40

Finding the Fourth Proportional to 3,251.46, 4,487.00 and 1,759.40

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Solution

The fourth proportional to 3,251.46, 4,487.00 and 1,759.40 is: 2,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.46 : 4,487.00 = 1,759.40 : x
  2. Step 2: Convert to fraction form
    3,251.46/4,487.00 = 1,759.40/x
  3. Step 3: Cross multiply
    3,251.46x = 4,487.00 × 1,759.40
  4. Step 4: Simplify right side
    3,251.46x = 7,894,427.13
  5. Step 5: Solve for x
    x = 7,894,427.13/3,251.46
  6. Step 6: Final answer
    x = 2,427.97

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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.