Home / 3,353.10-4,627.43-1,861.18

Finding the Fourth Proportional to 3,353.10, 4,627.43 and 1,861.18

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Solution

The fourth proportional to 3,353.10, 4,627.43 and 1,861.18 is: 2,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.10 : 4,627.43 = 1,861.18 : x
  2. Step 2: Convert to fraction form
    3,353.10/4,627.43 = 1,861.18/x
  3. Step 3: Cross multiply
    3,353.10x = 4,627.43 × 1,861.18
  4. Step 4: Simplify right side
    3,353.10x = 8,612,466.27
  5. Step 5: Solve for x
    x = 8,612,466.27/3,353.10
  6. Step 6: Final answer
    x = 2,568.51

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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.