Home / 4,081.64-5,611.06-3,512.36

Finding the Fourth Proportional to 4,081.64, 5,611.06 and 3,512.36

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Solution

The fourth proportional to 4,081.64, 5,611.06 and 3,512.36 is: 4,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.64 : 5,611.06 = 3,512.36 : x
  2. Step 2: Convert to fraction form
    4,081.64/5,611.06 = 3,512.36/x
  3. Step 3: Cross multiply
    4,081.64x = 5,611.06 × 3,512.36
  4. Step 4: Simplify right side
    4,081.64x = 19,708,062.70
  5. Step 5: Solve for x
    x = 19,708,062.70/4,081.64
  6. Step 6: Final answer
    x = 4,828.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.