Home / 2,772.34-3,821.45-2,063.04

Finding the Fourth Proportional to 2,772.34, 3,821.45 and 2,063.04

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Solution

The fourth proportional to 2,772.34, 3,821.45 and 2,063.04 is: 2,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.34 : 3,821.45 = 2,063.04 : x
  2. Step 2: Convert to fraction form
    2,772.34/3,821.45 = 2,063.04/x
  3. Step 3: Cross multiply
    2,772.34x = 3,821.45 × 2,063.04
  4. Step 4: Simplify right side
    2,772.34x = 7,883,804.21
  5. Step 5: Solve for x
    x = 7,883,804.21/2,772.34
  6. Step 6: Final answer
    x = 2,843.74

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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.