Home / 2,263.25-3,123.11-1,268.33

Finding the Fourth Proportional to 2,263.25, 3,123.11 and 1,268.33

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Solution

The fourth proportional to 2,263.25, 3,123.11 and 1,268.33 is: 1,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.25 : 3,123.11 = 1,268.33 : x
  2. Step 2: Convert to fraction form
    2,263.25/3,123.11 = 1,268.33/x
  3. Step 3: Cross multiply
    2,263.25x = 3,123.11 × 1,268.33
  4. Step 4: Simplify right side
    2,263.25x = 3,961,145.08
  5. Step 5: Solve for x
    x = 3,961,145.08/2,263.25
  6. Step 6: Final answer
    x = 1,750.20

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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.