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Finding the Fourth Proportional to 2,726.42, 4,089.60 and 2,593.60

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Solution

The fourth proportional to 2,726.42, 4,089.60 and 2,593.60 is: 3,890.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.42 : 4,089.60 = 2,593.60 : x
  2. Step 2: Convert to fraction form
    2,726.42/4,089.60 = 2,593.60/x
  3. Step 3: Cross multiply
    2,726.42x = 4,089.60 × 2,593.60
  4. Step 4: Simplify right side
    2,726.42x = 10,606,776.34
  5. Step 5: Solve for x
    x = 10,606,776.34/2,726.42
  6. Step 6: Final answer
    x = 3,890.37

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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.