Home / 2,844.14-3,920.56-2,245.55

Finding the Fourth Proportional to 2,844.14, 3,920.56 and 2,245.55

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Solution

The fourth proportional to 2,844.14, 3,920.56 and 2,245.55 is: 3,095.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.14 : 3,920.56 = 2,245.55 : x
  2. Step 2: Convert to fraction form
    2,844.14/3,920.56 = 2,245.55/x
  3. Step 3: Cross multiply
    2,844.14x = 3,920.56 × 2,245.55
  4. Step 4: Simplify right side
    2,844.14x = 8,803,788.29
  5. Step 5: Solve for x
    x = 8,803,788.29/2,844.14
  6. Step 6: Final answer
    x = 3,095.42

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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.