Home / 2,934.40-4,049.57-1,608.09

Finding the Fourth Proportional to 2,934.40, 4,049.57 and 1,608.09

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Solution

The fourth proportional to 2,934.40, 4,049.57 and 1,608.09 is: 2,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.40 : 4,049.57 = 1,608.09 : x
  2. Step 2: Convert to fraction form
    2,934.40/4,049.57 = 1,608.09/x
  3. Step 3: Cross multiply
    2,934.40x = 4,049.57 × 1,608.09
  4. Step 4: Simplify right side
    2,934.40x = 6,512,084.63
  5. Step 5: Solve for x
    x = 6,512,084.63/2,934.40
  6. Step 6: Final answer
    x = 2,219.22

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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.