Home / 4,821.71-6,653.69-2,725.70

Finding the Fourth Proportional to 4,821.71, 6,653.69 and 2,725.70

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Solution

The fourth proportional to 4,821.71, 6,653.69 and 2,725.70 is: 3,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.71 : 6,653.69 = 2,725.70 : x
  2. Step 2: Convert to fraction form
    4,821.71/6,653.69 = 2,725.70/x
  3. Step 3: Cross multiply
    4,821.71x = 6,653.69 × 2,725.70
  4. Step 4: Simplify right side
    4,821.71x = 18,135,915.94
  5. Step 5: Solve for x
    x = 18,135,915.94/4,821.71
  6. Step 6: Final answer
    x = 3,761.31

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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.