Home / 4,089.54-5,644.20-2,321.34

Finding the Fourth Proportional to 4,089.54, 5,644.20 and 2,321.34

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Solution

The fourth proportional to 4,089.54, 5,644.20 and 2,321.34 is: 3,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.54 : 5,644.20 = 2,321.34 : x
  2. Step 2: Convert to fraction form
    4,089.54/5,644.20 = 2,321.34/x
  3. Step 3: Cross multiply
    4,089.54x = 5,644.20 × 2,321.34
  4. Step 4: Simplify right side
    4,089.54x = 13,102,107.23
  5. Step 5: Solve for x
    x = 13,102,107.23/4,089.54
  6. Step 6: Final answer
    x = 3,203.81

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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.