Home / 6,122.98-8,449.49-3,605.06

Finding the Fourth Proportional to 6,122.98, 8,449.49 and 3,605.06

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Solution

The fourth proportional to 6,122.98, 8,449.49 and 3,605.06 is: 4,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.98 : 8,449.49 = 3,605.06 : x
  2. Step 2: Convert to fraction form
    6,122.98/8,449.49 = 3,605.06/x
  3. Step 3: Cross multiply
    6,122.98x = 8,449.49 × 3,605.06
  4. Step 4: Simplify right side
    6,122.98x = 30,460,900.39
  5. Step 5: Solve for x
    x = 30,460,900.39/6,122.98
  6. Step 6: Final answer
    x = 4,974.85

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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.