Home / 4,021.76-5,553.24-2,696.60

Finding the Fourth Proportional to 4,021.76, 5,553.24 and 2,696.60

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Solution

The fourth proportional to 4,021.76, 5,553.24 and 2,696.60 is: 3,723.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.76 : 5,553.24 = 2,696.60 : x
  2. Step 2: Convert to fraction form
    4,021.76/5,553.24 = 2,696.60/x
  3. Step 3: Cross multiply
    4,021.76x = 5,553.24 × 2,696.60
  4. Step 4: Simplify right side
    4,021.76x = 14,974,866.98
  5. Step 5: Solve for x
    x = 14,974,866.98/4,021.76
  6. Step 6: Final answer
    x = 3,723.46

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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.