Home / 3,261.59-4,891.13-1,180.98

Finding the Fourth Proportional to 3,261.59, 4,891.13 and 1,180.98

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Solution

The fourth proportional to 3,261.59, 4,891.13 and 1,180.98 is: 1,771.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.59 : 4,891.13 = 1,180.98 : x
  2. Step 2: Convert to fraction form
    3,261.59/4,891.13 = 1,180.98/x
  3. Step 3: Cross multiply
    3,261.59x = 4,891.13 × 1,180.98
  4. Step 4: Simplify right side
    3,261.59x = 5,776,331.87
  5. Step 5: Solve for x
    x = 5,776,331.87/3,261.59
  6. Step 6: Final answer
    x = 1,771.02

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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.