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Finding the Fourth Proportional to 2,438.05, 3,656.26 and 794.16

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Solution

The fourth proportional to 2,438.05, 3,656.26 and 794.16 is: 1,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.05 : 3,656.26 = 794.16 : x
  2. Step 2: Convert to fraction form
    2,438.05/3,656.26 = 794.16/x
  3. Step 3: Cross multiply
    2,438.05x = 3,656.26 × 794.16
  4. Step 4: Simplify right side
    2,438.05x = 2,903,655.44
  5. Step 5: Solve for x
    x = 2,903,655.44/2,438.05
  6. Step 6: Final answer
    x = 1,190.97

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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.