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Finding the Fourth Proportional to 3,525.96, 4,865.90 and 1,954.16

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Solution

The fourth proportional to 3,525.96, 4,865.90 and 1,954.16 is: 2,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.96 : 4,865.90 = 1,954.16 : x
  2. Step 2: Convert to fraction form
    3,525.96/4,865.90 = 1,954.16/x
  3. Step 3: Cross multiply
    3,525.96x = 4,865.90 × 1,954.16
  4. Step 4: Simplify right side
    3,525.96x = 9,508,747.14
  5. Step 5: Solve for x
    x = 9,508,747.14/3,525.96
  6. Step 6: Final answer
    x = 2,696.78

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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.