Home / 4,121.70-5,687.96-2,233.28

Finding the Fourth Proportional to 4,121.70, 5,687.96 and 2,233.28

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Solution

The fourth proportional to 4,121.70, 5,687.96 and 2,233.28 is: 3,081.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.70 : 5,687.96 = 2,233.28 : x
  2. Step 2: Convert to fraction form
    4,121.70/5,687.96 = 2,233.28/x
  3. Step 3: Cross multiply
    4,121.70x = 5,687.96 × 2,233.28
  4. Step 4: Simplify right side
    4,121.70x = 12,702,807.31
  5. Step 5: Solve for x
    x = 12,702,807.31/4,121.70
  6. Step 6: Final answer
    x = 3,081.94

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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.