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Finding the Fourth Proportional to 3,598.80, 5,396.07 and 1,404.96

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Solution

The fourth proportional to 3,598.80, 5,396.07 and 1,404.96 is: 2,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.80 : 5,396.07 = 1,404.96 : x
  2. Step 2: Convert to fraction form
    3,598.80/5,396.07 = 1,404.96/x
  3. Step 3: Cross multiply
    3,598.80x = 5,396.07 × 1,404.96
  4. Step 4: Simplify right side
    3,598.80x = 7,581,262.51
  5. Step 5: Solve for x
    x = 7,581,262.51/3,598.80
  6. Step 6: Final answer
    x = 2,106.61

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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.