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Finding the Fourth Proportional to 3,698.44, 5,540.67 and 2,866.93

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Solution

The fourth proportional to 3,698.44, 5,540.67 and 2,866.93 is: 4,294.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.44 : 5,540.67 = 2,866.93 : x
  2. Step 2: Convert to fraction form
    3,698.44/5,540.67 = 2,866.93/x
  3. Step 3: Cross multiply
    3,698.44x = 5,540.67 × 2,866.93
  4. Step 4: Simplify right side
    3,698.44x = 15,884,699.19
  5. Step 5: Solve for x
    x = 15,884,699.19/3,698.44
  6. Step 6: Final answer
    x = 4,294.98

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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.