Home / 5,081.53-7,623.84-2,415.14

Finding the Fourth Proportional to 5,081.53, 7,623.84 and 2,415.14

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Solution

The fourth proportional to 5,081.53, 7,623.84 and 2,415.14 is: 3,623.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.53 : 7,623.84 = 2,415.14 : x
  2. Step 2: Convert to fraction form
    5,081.53/7,623.84 = 2,415.14/x
  3. Step 3: Cross multiply
    5,081.53x = 7,623.84 × 2,415.14
  4. Step 4: Simplify right side
    5,081.53x = 18,412,640.94
  5. Step 5: Solve for x
    x = 18,412,640.94/5,081.53
  6. Step 6: Final answer
    x = 3,623.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.