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Finding the Fourth Proportional to 4,917.38, 7,375.04 and 1,798.85

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Solution

The fourth proportional to 4,917.38, 7,375.04 and 1,798.85 is: 2,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.38 : 7,375.04 = 1,798.85 : x
  2. Step 2: Convert to fraction form
    4,917.38/7,375.04 = 1,798.85/x
  3. Step 3: Cross multiply
    4,917.38x = 7,375.04 × 1,798.85
  4. Step 4: Simplify right side
    4,917.38x = 13,266,590.70
  5. Step 5: Solve for x
    x = 13,266,590.70/4,917.38
  6. Step 6: Final answer
    x = 2,697.90

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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.