Home / 4,941.60-7,410.77-1,431.26

Finding the Fourth Proportional to 4,941.60, 7,410.77 and 1,431.26

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Solution

The fourth proportional to 4,941.60, 7,410.77 and 1,431.26 is: 2,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.60 : 7,410.77 = 1,431.26 : x
  2. Step 2: Convert to fraction form
    4,941.60/7,410.77 = 1,431.26/x
  3. Step 3: Cross multiply
    4,941.60x = 7,410.77 × 1,431.26
  4. Step 4: Simplify right side
    4,941.60x = 10,606,738.67
  5. Step 5: Solve for x
    x = 10,606,738.67/4,941.60
  6. Step 6: Final answer
    x = 2,146.42

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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.