Home / 3,495.41-4,819.62-2,786.70

Finding the Fourth Proportional to 3,495.41, 4,819.62 and 2,786.70

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Solution

The fourth proportional to 3,495.41, 4,819.62 and 2,786.70 is: 3,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.41 : 4,819.62 = 2,786.70 : x
  2. Step 2: Convert to fraction form
    3,495.41/4,819.62 = 2,786.70/x
  3. Step 3: Cross multiply
    3,495.41x = 4,819.62 × 2,786.70
  4. Step 4: Simplify right side
    3,495.41x = 13,430,836.47
  5. Step 5: Solve for x
    x = 13,430,836.47/3,495.41
  6. Step 6: Final answer
    x = 3,842.42

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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.