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Finding the Fourth Proportional to 3,593.03, 5,385.87 and 1,398.74

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Solution

The fourth proportional to 3,593.03, 5,385.87 and 1,398.74 is: 2,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.03 : 5,385.87 = 1,398.74 : x
  2. Step 2: Convert to fraction form
    3,593.03/5,385.87 = 1,398.74/x
  3. Step 3: Cross multiply
    3,593.03x = 5,385.87 × 1,398.74
  4. Step 4: Simplify right side
    3,593.03x = 7,533,404.87
  5. Step 5: Solve for x
    x = 7,533,404.87/3,593.03
  6. Step 6: Final answer
    x = 2,096.67

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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.