Home / 5,110.26-7,666.47-1,647.42

Finding the Fourth Proportional to 5,110.26, 7,666.47 and 1,647.42

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Solution

The fourth proportional to 5,110.26, 7,666.47 and 1,647.42 is: 2,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.26 : 7,666.47 = 1,647.42 : x
  2. Step 2: Convert to fraction form
    5,110.26/7,666.47 = 1,647.42/x
  3. Step 3: Cross multiply
    5,110.26x = 7,666.47 × 1,647.42
  4. Step 4: Simplify right side
    5,110.26x = 12,629,896.01
  5. Step 5: Solve for x
    x = 12,629,896.01/5,110.26
  6. Step 6: Final answer
    x = 2,471.48

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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.