Home / 2,763.24-4,145.34-1,224.36

Finding the Fourth Proportional to 2,763.24, 4,145.34 and 1,224.36

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Solution

The fourth proportional to 2,763.24, 4,145.34 and 1,224.36 is: 1,836.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.24 : 4,145.34 = 1,224.36 : x
  2. Step 2: Convert to fraction form
    2,763.24/4,145.34 = 1,224.36/x
  3. Step 3: Cross multiply
    2,763.24x = 4,145.34 × 1,224.36
  4. Step 4: Simplify right side
    2,763.24x = 5,075,388.48
  5. Step 5: Solve for x
    x = 5,075,388.48/2,763.24
  6. Step 6: Final answer
    x = 1,836.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.