Home / 4,228.07-5,836.37-3,785.20

Finding the Fourth Proportional to 4,228.07, 5,836.37 and 3,785.20

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Solution

The fourth proportional to 4,228.07, 5,836.37 and 3,785.20 is: 5,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.07 : 5,836.37 = 3,785.20 : x
  2. Step 2: Convert to fraction form
    4,228.07/5,836.37 = 3,785.20/x
  3. Step 3: Cross multiply
    4,228.07x = 5,836.37 × 3,785.20
  4. Step 4: Simplify right side
    4,228.07x = 22,091,794.21
  5. Step 5: Solve for x
    x = 22,091,794.21/4,228.07
  6. Step 6: Final answer
    x = 5,225.04

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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.