Home / 2,749.68-3,794.85-2,049.84

Finding the Fourth Proportional to 2,749.68, 3,794.85 and 2,049.84

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Solution

The fourth proportional to 2,749.68, 3,794.85 and 2,049.84 is: 2,829.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.68 : 3,794.85 = 2,049.84 : x
  2. Step 2: Convert to fraction form
    2,749.68/3,794.85 = 2,049.84/x
  3. Step 3: Cross multiply
    2,749.68x = 3,794.85 × 2,049.84
  4. Step 4: Simplify right side
    2,749.68x = 7,778,835.32
  5. Step 5: Solve for x
    x = 7,778,835.32/2,749.68
  6. Step 6: Final answer
    x = 2,829.00

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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.