Home / 3,353.31-4,627.60-1,861.27

Finding the Fourth Proportional to 3,353.31, 4,627.60 and 1,861.27

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Solution

The fourth proportional to 3,353.31, 4,627.60 and 1,861.27 is: 2,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.31 : 4,627.60 = 1,861.27 : x
  2. Step 2: Convert to fraction form
    3,353.31/4,627.60 = 1,861.27/x
  3. Step 3: Cross multiply
    3,353.31x = 4,627.60 × 1,861.27
  4. Step 4: Simplify right side
    3,353.31x = 8,613,196.83
  5. Step 5: Solve for x
    x = 8,613,196.83/3,353.31
  6. Step 6: Final answer
    x = 2,568.57

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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.