Home / 5,694.44-7,857.74-3,456.18

Finding the Fourth Proportional to 5,694.44, 7,857.74 and 3,456.18

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Solution

The fourth proportional to 5,694.44, 7,857.74 and 3,456.18 is: 4,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.44 : 7,857.74 = 3,456.18 : x
  2. Step 2: Convert to fraction form
    5,694.44/7,857.74 = 3,456.18/x
  3. Step 3: Cross multiply
    5,694.44x = 7,857.74 × 3,456.18
  4. Step 4: Simplify right side
    5,694.44x = 27,157,746.55
  5. Step 5: Solve for x
    x = 27,157,746.55/5,694.44
  6. Step 6: Final answer
    x = 4,769.17

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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.