Home / 2,778.06-3,833.57-1,583.04

Finding the Fourth Proportional to 2,778.06, 3,833.57 and 1,583.04

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Solution

The fourth proportional to 2,778.06, 3,833.57 and 1,583.04 is: 2,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.06 : 3,833.57 = 1,583.04 : x
  2. Step 2: Convert to fraction form
    2,778.06/3,833.57 = 1,583.04/x
  3. Step 3: Cross multiply
    2,778.06x = 3,833.57 × 1,583.04
  4. Step 4: Simplify right side
    2,778.06x = 6,068,694.65
  5. Step 5: Solve for x
    x = 6,068,694.65/2,778.06
  6. Step 6: Final answer
    x = 2,184.51

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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.