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Finding the Fourth Proportional to 3,484.33, 5,226.95 and 1,840.94

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Solution

The fourth proportional to 3,484.33, 5,226.95 and 1,840.94 is: 2,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.33 : 5,226.95 = 1,840.94 : x
  2. Step 2: Convert to fraction form
    3,484.33/5,226.95 = 1,840.94/x
  3. Step 3: Cross multiply
    3,484.33x = 5,226.95 × 1,840.94
  4. Step 4: Simplify right side
    3,484.33x = 9,622,499.40
  5. Step 5: Solve for x
    x = 9,622,499.40/3,484.33
  6. Step 6: Final answer
    x = 2,761.65

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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.