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Finding the Fourth Proportional to 3,596.16, 5,391.36 and 1,404.48

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Solution

The fourth proportional to 3,596.16, 5,391.36 and 1,404.48 is: 2,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,596.16 : 5,391.36 = 1,404.48 : x
  2. Step 2: Convert to fraction form
    3,596.16/5,391.36 = 1,404.48/x
  3. Step 3: Cross multiply
    3,596.16x = 5,391.36 × 1,404.48
  4. Step 4: Simplify right side
    3,596.16x = 7,572,057.29
  5. Step 5: Solve for x
    x = 7,572,057.29/3,596.16
  6. Step 6: Final answer
    x = 2,105.60

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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.