Home / 2,198.36-3,033.65-1,313.64

Finding the Fourth Proportional to 2,198.36, 3,033.65 and 1,313.64

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Solution

The fourth proportional to 2,198.36, 3,033.65 and 1,313.64 is: 1,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.36 : 3,033.65 = 1,313.64 : x
  2. Step 2: Convert to fraction form
    2,198.36/3,033.65 = 1,313.64/x
  3. Step 3: Cross multiply
    2,198.36x = 3,033.65 × 1,313.64
  4. Step 4: Simplify right side
    2,198.36x = 3,985,123.99
  5. Step 5: Solve for x
    x = 3,985,123.99/2,198.36
  6. Step 6: Final answer
    x = 1,812.77

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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.