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Finding the Fourth Proportional to 3,595.22, 5,390.80 and 1,401.44

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Solution

The fourth proportional to 3,595.22, 5,390.80 and 1,401.44 is: 2,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.22 : 5,390.80 = 1,401.44 : x
  2. Step 2: Convert to fraction form
    3,595.22/5,390.80 = 1,401.44/x
  3. Step 3: Cross multiply
    3,595.22x = 5,390.80 × 1,401.44
  4. Step 4: Simplify right side
    3,595.22x = 7,554,882.75
  5. Step 5: Solve for x
    x = 7,554,882.75/3,595.22
  6. Step 6: Final answer
    x = 2,101.37

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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.