Home / 3,022.99-4,172.57-1,764.31

Finding the Fourth Proportional to 3,022.99, 4,172.57 and 1,764.31

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Solution

The fourth proportional to 3,022.99, 4,172.57 and 1,764.31 is: 2,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.99 : 4,172.57 = 1,764.31 : x
  2. Step 2: Convert to fraction form
    3,022.99/4,172.57 = 1,764.31/x
  3. Step 3: Cross multiply
    3,022.99x = 4,172.57 × 1,764.31
  4. Step 4: Simplify right side
    3,022.99x = 7,361,698.16
  5. Step 5: Solve for x
    x = 7,361,698.16/3,022.99
  6. Step 6: Final answer
    x = 2,435.24

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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.