Home / 5,628.44-8,410.60-4,213.70

Finding the Fourth Proportional to 5,628.44, 8,410.60 and 4,213.70

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Solution

The fourth proportional to 5,628.44, 8,410.60 and 4,213.70 is: 6,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.44 : 8,410.60 = 4,213.70 : x
  2. Step 2: Convert to fraction form
    5,628.44/8,410.60 = 4,213.70/x
  3. Step 3: Cross multiply
    5,628.44x = 8,410.60 × 4,213.70
  4. Step 4: Simplify right side
    5,628.44x = 35,439,745.22
  5. Step 5: Solve for x
    x = 35,439,745.22/5,628.44
  6. Step 6: Final answer
    x = 6,296.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.