Home / 1,121.02-1,675.44-1,033.48

Finding the Fourth Proportional to 1,121.02, 1,675.44 and 1,033.48

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Solution

The fourth proportional to 1,121.02, 1,675.44 and 1,033.48 is: 1,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121.02 : 1,675.44 = 1,033.48 : x
  2. Step 2: Convert to fraction form
    1,121.02/1,675.44 = 1,033.48/x
  3. Step 3: Cross multiply
    1,121.02x = 1,675.44 × 1,033.48
  4. Step 4: Simplify right side
    1,121.02x = 1,731,533.73
  5. Step 5: Solve for x
    x = 1,731,533.73/1,121.02
  6. Step 6: Final answer
    x = 1,544.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.