Home / 3,821.24-5,732.22-1,223.56

Finding the Fourth Proportional to 3,821.24, 5,732.22 and 1,223.56

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Solution

The fourth proportional to 3,821.24, 5,732.22 and 1,223.56 is: 1,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.24 : 5,732.22 = 1,223.56 : x
  2. Step 2: Convert to fraction form
    3,821.24/5,732.22 = 1,223.56/x
  3. Step 3: Cross multiply
    3,821.24x = 5,732.22 × 1,223.56
  4. Step 4: Simplify right side
    3,821.24x = 7,013,715.10
  5. Step 5: Solve for x
    x = 7,013,715.10/3,821.24
  6. Step 6: Final answer
    x = 1,835.46

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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.