Home / 3,353.43-4,627.71-1,861.41

Finding the Fourth Proportional to 3,353.43, 4,627.71 and 1,861.41

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Solution

The fourth proportional to 3,353.43, 4,627.71 and 1,861.41 is: 2,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.43 : 4,627.71 = 1,861.41 : x
  2. Step 2: Convert to fraction form
    3,353.43/4,627.71 = 1,861.41/x
  3. Step 3: Cross multiply
    3,353.43x = 4,627.71 × 1,861.41
  4. Step 4: Simplify right side
    3,353.43x = 8,614,065.67
  5. Step 5: Solve for x
    x = 8,614,065.67/3,353.43
  6. Step 6: Final answer
    x = 2,568.73

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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.