Home / 4,976.54-6,867.69-2,880.26

Finding the Fourth Proportional to 4,976.54, 6,867.69 and 2,880.26

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Solution

The fourth proportional to 4,976.54, 6,867.69 and 2,880.26 is: 3,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.54 : 6,867.69 = 2,880.26 : x
  2. Step 2: Convert to fraction form
    4,976.54/6,867.69 = 2,880.26/x
  3. Step 3: Cross multiply
    4,976.54x = 6,867.69 × 2,880.26
  4. Step 4: Simplify right side
    4,976.54x = 19,780,732.80
  5. Step 5: Solve for x
    x = 19,780,732.80/4,976.54
  6. Step 6: Final answer
    x = 3,974.80

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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.