Home / 2,033.23-2,807.24-1,287.85

Finding the Fourth Proportional to 2,033.23, 2,807.24 and 1,287.85

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Solution

The fourth proportional to 2,033.23, 2,807.24 and 1,287.85 is: 1,778.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.23 : 2,807.24 = 1,287.85 : x
  2. Step 2: Convert to fraction form
    2,033.23/2,807.24 = 1,287.85/x
  3. Step 3: Cross multiply
    2,033.23x = 2,807.24 × 1,287.85
  4. Step 4: Simplify right side
    2,033.23x = 3,615,304.03
  5. Step 5: Solve for x
    x = 3,615,304.03/2,033.23
  6. Step 6: Final answer
    x = 1,778.11

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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.