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Finding the Fourth Proportional to 5,195.70, 7,793.55 and 2,603.70

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Solution

The fourth proportional to 5,195.70, 7,793.55 and 2,603.70 is: 3,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.70 : 7,793.55 = 2,603.70 : x
  2. Step 2: Convert to fraction form
    5,195.70/7,793.55 = 2,603.70/x
  3. Step 3: Cross multiply
    5,195.70x = 7,793.55 × 2,603.70
  4. Step 4: Simplify right side
    5,195.70x = 20,292,066.14
  5. Step 5: Solve for x
    x = 20,292,066.14/5,195.70
  6. Step 6: Final answer
    x = 3,905.55

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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.