Home / 4,918.37-6,787.51-2,680.32

Finding the Fourth Proportional to 4,918.37, 6,787.51 and 2,680.32

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Solution

The fourth proportional to 4,918.37, 6,787.51 and 2,680.32 is: 3,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.37 : 6,787.51 = 2,680.32 : x
  2. Step 2: Convert to fraction form
    4,918.37/6,787.51 = 2,680.32/x
  3. Step 3: Cross multiply
    4,918.37x = 6,787.51 × 2,680.32
  4. Step 4: Simplify right side
    4,918.37x = 18,192,698.80
  5. Step 5: Solve for x
    x = 18,192,698.80/4,918.37
  6. Step 6: Final answer
    x = 3,698.93

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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.