Home / 3,185.03-4,777.46-845.04

Finding the Fourth Proportional to 3,185.03, 4,777.46 and 845.04

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Solution

The fourth proportional to 3,185.03, 4,777.46 and 845.04 is: 1,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.03 : 4,777.46 = 845.04 : x
  2. Step 2: Convert to fraction form
    3,185.03/4,777.46 = 845.04/x
  3. Step 3: Cross multiply
    3,185.03x = 4,777.46 × 845.04
  4. Step 4: Simplify right side
    3,185.03x = 4,037,140.57
  5. Step 5: Solve for x
    x = 4,037,140.57/3,185.03
  6. Step 6: Final answer
    x = 1,267.54

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1.5x scale

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.