Home / 2,960.25-4,085.22-1,634.05

Finding the Fourth Proportional to 2,960.25, 4,085.22 and 1,634.05

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Solution

The fourth proportional to 2,960.25, 4,085.22 and 1,634.05 is: 2,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.25 : 4,085.22 = 1,634.05 : x
  2. Step 2: Convert to fraction form
    2,960.25/4,085.22 = 1,634.05/x
  3. Step 3: Cross multiply
    2,960.25x = 4,085.22 × 1,634.05
  4. Step 4: Simplify right side
    2,960.25x = 6,675,453.74
  5. Step 5: Solve for x
    x = 6,675,453.74/2,960.25
  6. Step 6: Final answer
    x = 2,255.03

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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.