Home / 3,785.58-5,223.56-2,213.37

Finding the Fourth Proportional to 3,785.58, 5,223.56 and 2,213.37

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Solution

The fourth proportional to 3,785.58, 5,223.56 and 2,213.37 is: 3,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.58 : 5,223.56 = 2,213.37 : x
  2. Step 2: Convert to fraction form
    3,785.58/5,223.56 = 2,213.37/x
  3. Step 3: Cross multiply
    3,785.58x = 5,223.56 × 2,213.37
  4. Step 4: Simplify right side
    3,785.58x = 11,561,659.93
  5. Step 5: Solve for x
    x = 11,561,659.93/3,785.58
  6. Step 6: Final answer
    x = 3,054.13

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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.