Home / 3,191.50-4,404.36-1,794.70

Finding the Fourth Proportional to 3,191.50, 4,404.36 and 1,794.70

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Solution

The fourth proportional to 3,191.50, 4,404.36 and 1,794.70 is: 2,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.50 : 4,404.36 = 1,794.70 : x
  2. Step 2: Convert to fraction form
    3,191.50/4,404.36 = 1,794.70/x
  3. Step 3: Cross multiply
    3,191.50x = 4,404.36 × 1,794.70
  4. Step 4: Simplify right side
    3,191.50x = 7,904,504.89
  5. Step 5: Solve for x
    x = 7,904,504.89/3,191.50
  6. Step 6: Final answer
    x = 2,476.74

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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.