Home / 2,797.15-3,859.63-1,618.33

Finding the Fourth Proportional to 2,797.15, 3,859.63 and 1,618.33

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Solution

The fourth proportional to 2,797.15, 3,859.63 and 1,618.33 is: 2,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.15 : 3,859.63 = 1,618.33 : x
  2. Step 2: Convert to fraction form
    2,797.15/3,859.63 = 1,618.33/x
  3. Step 3: Cross multiply
    2,797.15x = 3,859.63 × 1,618.33
  4. Step 4: Simplify right side
    2,797.15x = 6,246,155.02
  5. Step 5: Solve for x
    x = 6,246,155.02/2,797.15
  6. Step 6: Final answer
    x = 2,233.04

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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.