Home / 2,049.09-2,826.90-1,263.57

Finding the Fourth Proportional to 2,049.09, 2,826.90 and 1,263.57

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Solution

The fourth proportional to 2,049.09, 2,826.90 and 1,263.57 is: 1,743.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.09 : 2,826.90 = 1,263.57 : x
  2. Step 2: Convert to fraction form
    2,049.09/2,826.90 = 1,263.57/x
  3. Step 3: Cross multiply
    2,049.09x = 2,826.90 × 1,263.57
  4. Step 4: Simplify right side
    2,049.09x = 3,571,986.03
  5. Step 5: Solve for x
    x = 3,571,986.03/2,049.09
  6. Step 6: Final answer
    x = 1,743.21

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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.