Home / 3,951.59-5,450.02-2,456.69

Finding the Fourth Proportional to 3,951.59, 5,450.02 and 2,456.69

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Solution

The fourth proportional to 3,951.59, 5,450.02 and 2,456.69 is: 3,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.59 : 5,450.02 = 2,456.69 : x
  2. Step 2: Convert to fraction form
    3,951.59/5,450.02 = 2,456.69/x
  3. Step 3: Cross multiply
    3,951.59x = 5,450.02 × 2,456.69
  4. Step 4: Simplify right side
    3,951.59x = 13,388,976.24
  5. Step 5: Solve for x
    x = 13,388,976.24/3,951.59
  6. Step 6: Final answer
    x = 3,388.25

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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.