Home / 1,584.19-2,183.90-1,086.04

Finding the Fourth Proportional to 1,584.19, 2,183.90 and 1,086.04

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Solution

The fourth proportional to 1,584.19, 2,183.90 and 1,086.04 is: 1,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.19 : 2,183.90 = 1,086.04 : x
  2. Step 2: Convert to fraction form
    1,584.19/2,183.90 = 1,086.04/x
  3. Step 3: Cross multiply
    1,584.19x = 2,183.90 × 1,086.04
  4. Step 4: Simplify right side
    1,584.19x = 2,371,797.33
  5. Step 5: Solve for x
    x = 2,371,797.33/1,584.19
  6. Step 6: Final answer
    x = 1,497.17

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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.