Home / 2,960.51-4,085.43-1,634.12

Finding the Fourth Proportional to 2,960.51, 4,085.43 and 1,634.12

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Solution

The fourth proportional to 2,960.51, 4,085.43 and 1,634.12 is: 2,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.51 : 4,085.43 = 1,634.12 : x
  2. Step 2: Convert to fraction form
    2,960.51/4,085.43 = 1,634.12/x
  3. Step 3: Cross multiply
    2,960.51x = 4,085.43 × 1,634.12
  4. Step 4: Simplify right side
    2,960.51x = 6,676,079.30
  5. Step 5: Solve for x
    x = 6,676,079.30/2,960.51
  6. Step 6: Final answer
    x = 2,255.04

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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.