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Finding the Fourth Proportional to 2,092.36, 3,136.67 and 794.74

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Solution

The fourth proportional to 2,092.36, 3,136.67 and 794.74 is: 1,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.36 : 3,136.67 = 794.74 : x
  2. Step 2: Convert to fraction form
    2,092.36/3,136.67 = 794.74/x
  3. Step 3: Cross multiply
    2,092.36x = 3,136.67 × 794.74
  4. Step 4: Simplify right side
    2,092.36x = 2,492,829.81
  5. Step 5: Solve for x
    x = 2,492,829.81/2,092.36
  6. Step 6: Final answer
    x = 1,191.40

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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.