Home / 3,151.25-4,348.54-1,824.73

Finding the Fourth Proportional to 3,151.25, 4,348.54 and 1,824.73

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Solution

The fourth proportional to 3,151.25, 4,348.54 and 1,824.73 is: 2,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.25 : 4,348.54 = 1,824.73 : x
  2. Step 2: Convert to fraction form
    3,151.25/4,348.54 = 1,824.73/x
  3. Step 3: Cross multiply
    3,151.25x = 4,348.54 × 1,824.73
  4. Step 4: Simplify right side
    3,151.25x = 7,934,892.54
  5. Step 5: Solve for x
    x = 7,934,892.54/3,151.25
  6. Step 6: Final answer
    x = 2,518.01

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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.