Home / 6,122.69-8,450.01-4,137.30

Finding the Fourth Proportional to 6,122.69, 8,450.01 and 4,137.30

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Solution

The fourth proportional to 6,122.69, 8,450.01 and 4,137.30 is: 5,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.69 : 8,450.01 = 4,137.30 : x
  2. Step 2: Convert to fraction form
    6,122.69/8,450.01 = 4,137.30/x
  3. Step 3: Cross multiply
    6,122.69x = 8,450.01 × 4,137.30
  4. Step 4: Simplify right side
    6,122.69x = 34,960,244.32
  5. Step 5: Solve for x
    x = 34,960,244.32/6,122.69
  6. Step 6: Final answer
    x = 5,709.95

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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.