Home / 4,871.97-6,723-2,883.69

Finding the Fourth Proportional to 4,871.97, 6,723 and 2,883.69

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Solution

The fourth proportional to 4,871.97, 6,723 and 2,883.69 is: 3,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.97 : 6,723 = 2,883.69 : x
  2. Step 2: Convert to fraction form
    4,871.97/6,723 = 2,883.69/x
  3. Step 3: Cross multiply
    4,871.97x = 6,723 × 2,883.69
  4. Step 4: Simplify right side
    4,871.97x = 19,387,047.87
  5. Step 5: Solve for x
    x = 19,387,047.87/4,871.97
  6. Step 6: Final answer
    x = 3,979.30

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Double scale
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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.