Home / 4,121.34-5,687.42-2,258.34

Finding the Fourth Proportional to 4,121.34, 5,687.42 and 2,258.34

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Solution

The fourth proportional to 4,121.34, 5,687.42 and 2,258.34 is: 3,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.34 : 5,687.42 = 2,258.34 : x
  2. Step 2: Convert to fraction form
    4,121.34/5,687.42 = 2,258.34/x
  3. Step 3: Cross multiply
    4,121.34x = 5,687.42 × 2,258.34
  4. Step 4: Simplify right side
    4,121.34x = 12,844,128.08
  5. Step 5: Solve for x
    x = 12,844,128.08/4,121.34
  6. Step 6: Final answer
    x = 3,116.49

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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.