Home / 5,354.19-7,388.85-3,229.83

Finding the Fourth Proportional to 5,354.19, 7,388.85 and 3,229.83

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Solution

The fourth proportional to 5,354.19, 7,388.85 and 3,229.83 is: 4,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.19 : 7,388.85 = 3,229.83 : x
  2. Step 2: Convert to fraction form
    5,354.19/7,388.85 = 3,229.83/x
  3. Step 3: Cross multiply
    5,354.19x = 7,388.85 × 3,229.83
  4. Step 4: Simplify right side
    5,354.19x = 23,864,729.40
  5. Step 5: Solve for x
    x = 23,864,729.40/5,354.19
  6. Step 6: Final answer
    x = 4,457.21

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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.