Home / 2,173.83-3,261.24-712.98

Finding the Fourth Proportional to 2,173.83, 3,261.24 and 712.98

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Solution

The fourth proportional to 2,173.83, 3,261.24 and 712.98 is: 1,069.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.83 : 3,261.24 = 712.98 : x
  2. Step 2: Convert to fraction form
    2,173.83/3,261.24 = 712.98/x
  3. Step 3: Cross multiply
    2,173.83x = 3,261.24 × 712.98
  4. Step 4: Simplify right side
    2,173.83x = 2,325,198.90
  5. Step 5: Solve for x
    x = 2,325,198.90/2,173.83
  6. Step 6: Final answer
    x = 1,069.63

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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.