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Finding the Fourth Proportional to 3,598.05, 5,397.81 and 1,518.05

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Solution

The fourth proportional to 3,598.05, 5,397.81 and 1,518.05 is: 2,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.05 : 5,397.81 = 1,518.05 : x
  2. Step 2: Convert to fraction form
    3,598.05/5,397.81 = 1,518.05/x
  3. Step 3: Cross multiply
    3,598.05x = 5,397.81 × 1,518.05
  4. Step 4: Simplify right side
    3,598.05x = 8,194,153.27
  5. Step 5: Solve for x
    x = 8,194,153.27/3,598.05
  6. Step 6: Final answer
    x = 2,277.38

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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.