Home / 3,191.67-4,404.93-1,794.69

Finding the Fourth Proportional to 3,191.67, 4,404.93 and 1,794.69

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Solution

The fourth proportional to 3,191.67, 4,404.93 and 1,794.69 is: 2,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.67 : 4,404.93 = 1,794.69 : x
  2. Step 2: Convert to fraction form
    3,191.67/4,404.93 = 1,794.69/x
  3. Step 3: Cross multiply
    3,191.67x = 4,404.93 × 1,794.69
  4. Step 4: Simplify right side
    3,191.67x = 7,905,474.85
  5. Step 5: Solve for x
    x = 7,905,474.85/3,191.67
  6. Step 6: Final answer
    x = 2,476.91

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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.