Home / 5,082.29-7,622.20-1,384.54

Finding the Fourth Proportional to 5,082.29, 7,622.20 and 1,384.54

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Solution

The fourth proportional to 5,082.29, 7,622.20 and 1,384.54 is: 2,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.29 : 7,622.20 = 1,384.54 : x
  2. Step 2: Convert to fraction form
    5,082.29/7,622.20 = 1,384.54/x
  3. Step 3: Cross multiply
    5,082.29x = 7,622.20 × 1,384.54
  4. Step 4: Simplify right side
    5,082.29x = 10,553,266.34
  5. Step 5: Solve for x
    x = 10,553,266.34/5,082.29
  6. Step 6: Final answer
    x = 2,076.48

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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.