Home / 2,799.07-4,198.50-1,154.39

Finding the Fourth Proportional to 2,799.07, 4,198.50 and 1,154.39

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Solution

The fourth proportional to 2,799.07, 4,198.50 and 1,154.39 is: 1,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.07 : 4,198.50 = 1,154.39 : x
  2. Step 2: Convert to fraction form
    2,799.07/4,198.50 = 1,154.39/x
  3. Step 3: Cross multiply
    2,799.07x = 4,198.50 × 1,154.39
  4. Step 4: Simplify right side
    2,799.07x = 4,846,685.42
  5. Step 5: Solve for x
    x = 4,846,685.42/2,799.07
  6. Step 6: Final answer
    x = 1,731.54

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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.