Home / 2,551.21-3,818.00-1,563.37

Finding the Fourth Proportional to 2,551.21, 3,818.00 and 1,563.37

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Solution

The fourth proportional to 2,551.21, 3,818.00 and 1,563.37 is: 2,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.21 : 3,818.00 = 1,563.37 : x
  2. Step 2: Convert to fraction form
    2,551.21/3,818.00 = 1,563.37/x
  3. Step 3: Cross multiply
    2,551.21x = 3,818.00 × 1,563.37
  4. Step 4: Simplify right side
    2,551.21x = 5,968,941.02
  5. Step 5: Solve for x
    x = 5,968,941.02/2,551.21
  6. Step 6: Final answer
    x = 2,339.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.