Home / 4,671.78-6,446.79-2,682.84

Finding the Fourth Proportional to 4,671.78, 6,446.79 and 2,682.84

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Solution

The fourth proportional to 4,671.78, 6,446.79 and 2,682.84 is: 3,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.78 : 6,446.79 = 2,682.84 : x
  2. Step 2: Convert to fraction form
    4,671.78/6,446.79 = 2,682.84/x
  3. Step 3: Cross multiply
    4,671.78x = 6,446.79 × 2,682.84
  4. Step 4: Simplify right side
    4,671.78x = 17,295,706.08
  5. Step 5: Solve for x
    x = 17,295,706.08/4,671.78
  6. Step 6: Final answer
    x = 3,702.17

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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.