Home / 3,353.51-4,627.83-1,861.43

Finding the Fourth Proportional to 3,353.51, 4,627.83 and 1,861.43

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Solution

The fourth proportional to 3,353.51, 4,627.83 and 1,861.43 is: 2,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.51 : 4,627.83 = 1,861.43 : x
  2. Step 2: Convert to fraction form
    3,353.51/4,627.83 = 1,861.43/x
  3. Step 3: Cross multiply
    3,353.51x = 4,627.83 × 1,861.43
  4. Step 4: Simplify right side
    3,353.51x = 8,614,365.44
  5. Step 5: Solve for x
    x = 8,614,365.44/3,353.51
  6. Step 6: Final answer
    x = 2,568.76

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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.