Home / 5,072.76-7,604.73-2,153.12

Finding the Fourth Proportional to 5,072.76, 7,604.73 and 2,153.12

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Solution

The fourth proportional to 5,072.76, 7,604.73 and 2,153.12 is: 3,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.76 : 7,604.73 = 2,153.12 : x
  2. Step 2: Convert to fraction form
    5,072.76/7,604.73 = 2,153.12/x
  3. Step 3: Cross multiply
    5,072.76x = 7,604.73 × 2,153.12
  4. Step 4: Simplify right side
    5,072.76x = 16,373,858.23
  5. Step 5: Solve for x
    x = 16,373,858.23/5,072.76
  6. Step 6: Final answer
    x = 3,227.80

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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.