Home / 3,385.12-5,074.52-1,738.02

Finding the Fourth Proportional to 3,385.12, 5,074.52 and 1,738.02

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Solution

The fourth proportional to 3,385.12, 5,074.52 and 1,738.02 is: 2,605.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.12 : 5,074.52 = 1,738.02 : x
  2. Step 2: Convert to fraction form
    3,385.12/5,074.52 = 1,738.02/x
  3. Step 3: Cross multiply
    3,385.12x = 5,074.52 × 1,738.02
  4. Step 4: Simplify right side
    3,385.12x = 8,819,617.25
  5. Step 5: Solve for x
    x = 8,819,617.25/3,385.12
  6. Step 6: Final answer
    x = 2,605.41

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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.