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Finding the Fourth Proportional to 3,953.49, 5,924.55 and 2,905.26

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Solution

The fourth proportional to 3,953.49, 5,924.55 and 2,905.26 is: 4,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.49 : 5,924.55 = 2,905.26 : x
  2. Step 2: Convert to fraction form
    3,953.49/5,924.55 = 2,905.26/x
  3. Step 3: Cross multiply
    3,953.49x = 5,924.55 × 2,905.26
  4. Step 4: Simplify right side
    3,953.49x = 17,212,358.13
  5. Step 5: Solve for x
    x = 17,212,358.13/3,953.49
  6. Step 6: Final answer
    x = 4,353.71

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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.