Home / 1,786.75-2,464.68-1,122.46

Finding the Fourth Proportional to 1,786.75, 2,464.68 and 1,122.46

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Solution

The fourth proportional to 1,786.75, 2,464.68 and 1,122.46 is: 1,548.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.75 : 2,464.68 = 1,122.46 : x
  2. Step 2: Convert to fraction form
    1,786.75/2,464.68 = 1,122.46/x
  3. Step 3: Cross multiply
    1,786.75x = 2,464.68 × 1,122.46
  4. Step 4: Simplify right side
    1,786.75x = 2,766,504.71
  5. Step 5: Solve for x
    x = 2,766,504.71/1,786.75
  6. Step 6: Final answer
    x = 1,548.34

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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.