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Finding the Fourth Proportional to 3,593.63, 5,392.68 and 1,404.20

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Solution

The fourth proportional to 3,593.63, 5,392.68 and 1,404.20 is: 2,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.63 : 5,392.68 = 1,404.20 : x
  2. Step 2: Convert to fraction form
    3,593.63/5,392.68 = 1,404.20/x
  3. Step 3: Cross multiply
    3,593.63x = 5,392.68 × 1,404.20
  4. Step 4: Simplify right side
    3,593.63x = 7,572,409.47
  5. Step 5: Solve for x
    x = 7,572,409.47/3,593.63
  6. Step 6: Final answer
    x = 2,107.17

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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.