Home / 4,218.08-6,325.90-1,620.41

Finding the Fourth Proportional to 4,218.08, 6,325.90 and 1,620.41

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Solution

The fourth proportional to 4,218.08, 6,325.90 and 1,620.41 is: 2,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.08 : 6,325.90 = 1,620.41 : x
  2. Step 2: Convert to fraction form
    4,218.08/6,325.90 = 1,620.41/x
  3. Step 3: Cross multiply
    4,218.08x = 6,325.90 × 1,620.41
  4. Step 4: Simplify right side
    4,218.08x = 10,250,515.94
  5. Step 5: Solve for x
    x = 10,250,515.94/4,218.08
  6. Step 6: Final answer
    x = 2,430.14

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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.