Home / 4,983.88-6,876.30-2,887.96

Finding the Fourth Proportional to 4,983.88, 6,876.30 and 2,887.96

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Solution

The fourth proportional to 4,983.88, 6,876.30 and 2,887.96 is: 3,984.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.88 : 6,876.30 = 2,887.96 : x
  2. Step 2: Convert to fraction form
    4,983.88/6,876.30 = 2,887.96/x
  3. Step 3: Cross multiply
    4,983.88x = 6,876.30 × 2,887.96
  4. Step 4: Simplify right side
    4,983.88x = 19,858,479.35
  5. Step 5: Solve for x
    x = 19,858,479.35/4,983.88
  6. Step 6: Final answer
    x = 3,984.54

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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.