Home / 3,353.74-4,627.95-1,861.57

Finding the Fourth Proportional to 3,353.74, 4,627.95 and 1,861.57

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Solution

The fourth proportional to 3,353.74, 4,627.95 and 1,861.57 is: 2,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.74 : 4,627.95 = 1,861.57 : x
  2. Step 2: Convert to fraction form
    3,353.74/4,627.95 = 1,861.57/x
  3. Step 3: Cross multiply
    3,353.74x = 4,627.95 × 1,861.57
  4. Step 4: Simplify right side
    3,353.74x = 8,615,252.88
  5. Step 5: Solve for x
    x = 8,615,252.88/3,353.74
  6. Step 6: Final answer
    x = 2,568.85

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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.