Home / 1,620.75-2,433.08-1,073.41

Finding the Fourth Proportional to 1,620.75, 2,433.08 and 1,073.41

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Solution

The fourth proportional to 1,620.75, 2,433.08 and 1,073.41 is: 1,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620.75 : 2,433.08 = 1,073.41 : x
  2. Step 2: Convert to fraction form
    1,620.75/2,433.08 = 1,073.41/x
  3. Step 3: Cross multiply
    1,620.75x = 2,433.08 × 1,073.41
  4. Step 4: Simplify right side
    1,620.75x = 2,611,692.40
  5. Step 5: Solve for x
    x = 2,611,692.40/1,620.75
  6. Step 6: Final answer
    x = 1,611.41

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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.