Home / 4,722.54-7,083.75-2,123.64

Finding the Fourth Proportional to 4,722.54, 7,083.75 and 2,123.64

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Solution

The fourth proportional to 4,722.54, 7,083.75 and 2,123.64 is: 3,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.54 : 7,083.75 = 2,123.64 : x
  2. Step 2: Convert to fraction form
    4,722.54/7,083.75 = 2,123.64/x
  3. Step 3: Cross multiply
    4,722.54x = 7,083.75 × 2,123.64
  4. Step 4: Simplify right side
    4,722.54x = 15,043,334.85
  5. Step 5: Solve for x
    x = 15,043,334.85/4,722.54
  6. Step 6: Final answer
    x = 3,185.43

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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.