Home / 5,036.05-6,949.38-2,797.80

Finding the Fourth Proportional to 5,036.05, 6,949.38 and 2,797.80

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Solution

The fourth proportional to 5,036.05, 6,949.38 and 2,797.80 is: 3,860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036.05 : 6,949.38 = 2,797.80 : x
  2. Step 2: Convert to fraction form
    5,036.05/6,949.38 = 2,797.80/x
  3. Step 3: Cross multiply
    5,036.05x = 6,949.38 × 2,797.80
  4. Step 4: Simplify right side
    5,036.05x = 19,442,975.36
  5. Step 5: Solve for x
    x = 19,442,975.36/5,036.05
  6. Step 6: Final answer
    x = 3,860.76

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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.