Home / 2,262.99-3,122.93-1,268.32

Finding the Fourth Proportional to 2,262.99, 3,122.93 and 1,268.32

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Solution

The fourth proportional to 2,262.99, 3,122.93 and 1,268.32 is: 1,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.99 : 3,122.93 = 1,268.32 : x
  2. Step 2: Convert to fraction form
    2,262.99/3,122.93 = 1,268.32/x
  3. Step 3: Cross multiply
    2,262.99x = 3,122.93 × 1,268.32
  4. Step 4: Simplify right side
    2,262.99x = 3,960,874.58
  5. Step 5: Solve for x
    x = 3,960,874.58/2,262.99
  6. Step 6: Final answer
    x = 1,750.28

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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.