Home / 2,853.31-3,937.57-1,611.31

Finding the Fourth Proportional to 2,853.31, 3,937.57 and 1,611.31

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Solution

The fourth proportional to 2,853.31, 3,937.57 and 1,611.31 is: 2,223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.31 : 3,937.57 = 1,611.31 : x
  2. Step 2: Convert to fraction form
    2,853.31/3,937.57 = 1,611.31/x
  3. Step 3: Cross multiply
    2,853.31x = 3,937.57 × 1,611.31
  4. Step 4: Simplify right side
    2,853.31x = 6,344,645.92
  5. Step 5: Solve for x
    x = 6,344,645.92/2,853.31
  6. Step 6: Final answer
    x = 2,223.61

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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.