Home / 2,951.37-4,054.67-2,640.75

Finding the Fourth Proportional to 2,951.37, 4,054.67 and 2,640.75

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Solution

The fourth proportional to 2,951.37, 4,054.67 and 2,640.75 is: 3,627.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.37 : 4,054.67 = 2,640.75 : x
  2. Step 2: Convert to fraction form
    2,951.37/4,054.67 = 2,640.75/x
  3. Step 3: Cross multiply
    2,951.37x = 4,054.67 × 2,640.75
  4. Step 4: Simplify right side
    2,951.37x = 10,707,369.80
  5. Step 5: Solve for x
    x = 10,707,369.80/2,951.37
  6. Step 6: Final answer
    x = 3,627.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.