Home / 1,768.41-2,440.46-1,022.30

Finding the Fourth Proportional to 1,768.41, 2,440.46 and 1,022.30

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Solution

The fourth proportional to 1,768.41, 2,440.46 and 1,022.30 is: 1,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.41 : 2,440.46 = 1,022.30 : x
  2. Step 2: Convert to fraction form
    1,768.41/2,440.46 = 1,022.30/x
  3. Step 3: Cross multiply
    1,768.41x = 2,440.46 × 1,022.30
  4. Step 4: Simplify right side
    1,768.41x = 2,494,882.26
  5. Step 5: Solve for x
    x = 2,494,882.26/1,768.41
  6. Step 6: Final answer
    x = 1,410.81

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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.