Home / 4,942.70-7,414.09-1,656.05

Finding the Fourth Proportional to 4,942.70, 7,414.09 and 1,656.05

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Solution

The fourth proportional to 4,942.70, 7,414.09 and 1,656.05 is: 2,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.70 : 7,414.09 = 1,656.05 : x
  2. Step 2: Convert to fraction form
    4,942.70/7,414.09 = 1,656.05/x
  3. Step 3: Cross multiply
    4,942.70x = 7,414.09 × 1,656.05
  4. Step 4: Simplify right side
    4,942.70x = 12,278,118.14
  5. Step 5: Solve for x
    x = 12,278,118.14/4,942.70
  6. Step 6: Final answer
    x = 2,484.09

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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.