Home / 4,744.22-7,114.64-1,782.05

Finding the Fourth Proportional to 4,744.22, 7,114.64 and 1,782.05

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Solution

The fourth proportional to 4,744.22, 7,114.64 and 1,782.05 is: 2,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.22 : 7,114.64 = 1,782.05 : x
  2. Step 2: Convert to fraction form
    4,744.22/7,114.64 = 1,782.05/x
  3. Step 3: Cross multiply
    4,744.22x = 7,114.64 × 1,782.05
  4. Step 4: Simplify right side
    4,744.22x = 12,678,599.73
  5. Step 5: Solve for x
    x = 12,678,599.73/4,744.22
  6. Step 6: Final answer
    x = 2,672.43

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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.