Home / 6,122.37-8,450.78-3,604.28

Finding the Fourth Proportional to 6,122.37, 8,450.78 and 3,604.28

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Solution

The fourth proportional to 6,122.37, 8,450.78 and 3,604.28 is: 4,975.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.37 : 8,450.78 = 3,604.28 : x
  2. Step 2: Convert to fraction form
    6,122.37/8,450.78 = 3,604.28/x
  3. Step 3: Cross multiply
    6,122.37x = 8,450.78 × 3,604.28
  4. Step 4: Simplify right side
    6,122.37x = 30,458,977.34
  5. Step 5: Solve for x
    x = 30,458,977.34/6,122.37
  6. Step 6: Final answer
    x = 4,975.03

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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.