Home / 2,976.32-4,107.22-1,797.18

Finding the Fourth Proportional to 2,976.32, 4,107.22 and 1,797.18

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Solution

The fourth proportional to 2,976.32, 4,107.22 and 1,797.18 is: 2,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.32 : 4,107.22 = 1,797.18 : x
  2. Step 2: Convert to fraction form
    2,976.32/4,107.22 = 1,797.18/x
  3. Step 3: Cross multiply
    2,976.32x = 4,107.22 × 1,797.18
  4. Step 4: Simplify right side
    2,976.32x = 7,381,409.15
  5. Step 5: Solve for x
    x = 7,381,409.15/2,976.32
  6. Step 6: Final answer
    x = 2,480.05

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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.