Home / 5,622.54-8,421.29-3,974.10

Finding the Fourth Proportional to 5,622.54, 8,421.29 and 3,974.10

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Solution

The fourth proportional to 5,622.54, 8,421.29 and 3,974.10 is: 5,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.54 : 8,421.29 = 3,974.10 : x
  2. Step 2: Convert to fraction form
    5,622.54/8,421.29 = 3,974.10/x
  3. Step 3: Cross multiply
    5,622.54x = 8,421.29 × 3,974.10
  4. Step 4: Simplify right side
    5,622.54x = 33,467,028.72
  5. Step 5: Solve for x
    x = 33,467,028.72/5,622.54
  6. Step 6: Final answer
    x = 5,952.30

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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.