Home / 3,197.98-4,412.82-1,800.64

Finding the Fourth Proportional to 3,197.98, 4,412.82 and 1,800.64

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Solution

The fourth proportional to 3,197.98, 4,412.82 and 1,800.64 is: 2,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.98 : 4,412.82 = 1,800.64 : x
  2. Step 2: Convert to fraction form
    3,197.98/4,412.82 = 1,800.64/x
  3. Step 3: Cross multiply
    3,197.98x = 4,412.82 × 1,800.64
  4. Step 4: Simplify right side
    3,197.98x = 7,945,900.20
  5. Step 5: Solve for x
    x = 7,945,900.20/3,197.98
  6. Step 6: Final answer
    x = 2,484.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.