Home / 3,462.96-4,778.73-1,891.08

Finding the Fourth Proportional to 3,462.96, 4,778.73 and 1,891.08

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Solution

The fourth proportional to 3,462.96, 4,778.73 and 1,891.08 is: 2,609.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.96 : 4,778.73 = 1,891.08 : x
  2. Step 2: Convert to fraction form
    3,462.96/4,778.73 = 1,891.08/x
  3. Step 3: Cross multiply
    3,462.96x = 4,778.73 × 1,891.08
  4. Step 4: Simplify right side
    3,462.96x = 9,036,960.73
  5. Step 5: Solve for x
    x = 9,036,960.73/3,462.96
  6. Step 6: Final answer
    x = 2,609.61

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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.