Home / 3,497.09-5,245.47-1,305.65

Finding the Fourth Proportional to 3,497.09, 5,245.47 and 1,305.65

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Solution

The fourth proportional to 3,497.09, 5,245.47 and 1,305.65 is: 1,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.09 : 5,245.47 = 1,305.65 : x
  2. Step 2: Convert to fraction form
    3,497.09/5,245.47 = 1,305.65/x
  3. Step 3: Cross multiply
    3,497.09x = 5,245.47 × 1,305.65
  4. Step 4: Simplify right side
    3,497.09x = 6,848,747.66
  5. Step 5: Solve for x
    x = 6,848,747.66/3,497.09
  6. Step 6: Final answer
    x = 1,958.41

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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.