Home / 3,261.26-4,499.84-1,935.41

Finding the Fourth Proportional to 3,261.26, 4,499.84 and 1,935.41

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Solution

The fourth proportional to 3,261.26, 4,499.84 and 1,935.41 is: 2,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.26 : 4,499.84 = 1,935.41 : x
  2. Step 2: Convert to fraction form
    3,261.26/4,499.84 = 1,935.41/x
  3. Step 3: Cross multiply
    3,261.26x = 4,499.84 × 1,935.41
  4. Step 4: Simplify right side
    3,261.26x = 8,709,003.16
  5. Step 5: Solve for x
    x = 8,709,003.16/3,261.26
  6. Step 6: Final answer
    x = 2,670.44

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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.