Home / 3,518.73-4,851.48-2,257.71

Finding the Fourth Proportional to 3,518.73, 4,851.48 and 2,257.71

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Solution

The fourth proportional to 3,518.73, 4,851.48 and 2,257.71 is: 3,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.73 : 4,851.48 = 2,257.71 : x
  2. Step 2: Convert to fraction form
    3,518.73/4,851.48 = 2,257.71/x
  3. Step 3: Cross multiply
    3,518.73x = 4,851.48 × 2,257.71
  4. Step 4: Simplify right side
    3,518.73x = 10,953,234.91
  5. Step 5: Solve for x
    x = 10,953,234.91/3,518.73
  6. Step 6: Final answer
    x = 3,112.84

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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.