Home / 3,948.54-5,446.83-2,751.63

Finding the Fourth Proportional to 3,948.54, 5,446.83 and 2,751.63

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Solution

The fourth proportional to 3,948.54, 5,446.83 and 2,751.63 is: 3,795.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.54 : 5,446.83 = 2,751.63 : x
  2. Step 2: Convert to fraction form
    3,948.54/5,446.83 = 2,751.63/x
  3. Step 3: Cross multiply
    3,948.54x = 5,446.83 × 2,751.63
  4. Step 4: Simplify right side
    3,948.54x = 14,987,660.83
  5. Step 5: Solve for x
    x = 14,987,660.83/3,948.54
  6. Step 6: Final answer
    x = 3,795.75

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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.