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Finding the Fourth Proportional to 2,751.99, 3,794.88 and 2,122.62

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Solution

The fourth proportional to 2,751.99, 3,794.88 and 2,122.62 is: 2,927.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.99 : 3,794.88 = 2,122.62 : x
  2. Step 2: Convert to fraction form
    2,751.99/3,794.88 = 2,122.62/x
  3. Step 3: Cross multiply
    2,751.99x = 3,794.88 × 2,122.62
  4. Step 4: Simplify right side
    2,751.99x = 8,055,088.19
  5. Step 5: Solve for x
    x = 8,055,088.19/2,751.99
  6. Step 6: Final answer
    x = 2,927.00

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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.