Home / 4,144.09-5,718.77-2,255.61

Finding the Fourth Proportional to 4,144.09, 5,718.77 and 2,255.61

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Solution

The fourth proportional to 4,144.09, 5,718.77 and 2,255.61 is: 3,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.09 : 5,718.77 = 2,255.61 : x
  2. Step 2: Convert to fraction form
    4,144.09/5,718.77 = 2,255.61/x
  3. Step 3: Cross multiply
    4,144.09x = 5,718.77 × 2,255.61
  4. Step 4: Simplify right side
    4,144.09x = 12,899,303.52
  5. Step 5: Solve for x
    x = 12,899,303.52/4,144.09
  6. Step 6: Final answer
    x = 3,112.70

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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.