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Finding the Fourth Proportional to 3,595.44, 5,390.85 and 1,404.39

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Solution

The fourth proportional to 3,595.44, 5,390.85 and 1,404.39 is: 2,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.44 : 5,390.85 = 1,404.39 : x
  2. Step 2: Convert to fraction form
    3,595.44/5,390.85 = 1,404.39/x
  3. Step 3: Cross multiply
    3,595.44x = 5,390.85 × 1,404.39
  4. Step 4: Simplify right side
    3,595.44x = 7,570,855.83
  5. Step 5: Solve for x
    x = 7,570,855.83/3,595.44
  6. Step 6: Final answer
    x = 2,105.68

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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.