Home / 3,353.69-4,627.88-1,861.61

Finding the Fourth Proportional to 3,353.69, 4,627.88 and 1,861.61

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Solution

The fourth proportional to 3,353.69, 4,627.88 and 1,861.61 is: 2,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.69 : 4,627.88 = 1,861.61 : x
  2. Step 2: Convert to fraction form
    3,353.69/4,627.88 = 1,861.61/x
  3. Step 3: Cross multiply
    3,353.69x = 4,627.88 × 1,861.61
  4. Step 4: Simplify right side
    3,353.69x = 8,615,275.24
  5. Step 5: Solve for x
    x = 8,615,275.24/3,353.69
  6. Step 6: Final answer
    x = 2,568.89

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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.