Home / 2,819.94-3,892.32-1,701.60

Finding the Fourth Proportional to 2,819.94, 3,892.32 and 1,701.60

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Solution

The fourth proportional to 2,819.94, 3,892.32 and 1,701.60 is: 2,348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.94 : 3,892.32 = 1,701.60 : x
  2. Step 2: Convert to fraction form
    2,819.94/3,892.32 = 1,701.60/x
  3. Step 3: Cross multiply
    2,819.94x = 3,892.32 × 1,701.60
  4. Step 4: Simplify right side
    2,819.94x = 6,623,171.71
  5. Step 5: Solve for x
    x = 6,623,171.71/2,819.94
  6. Step 6: Final answer
    x = 2,348.69

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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.