Home / 4,946.16-7,422.84-3,983.88

Finding the Fourth Proportional to 4,946.16, 7,422.84 and 3,983.88

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Solution

The fourth proportional to 4,946.16, 7,422.84 and 3,983.88 is: 5,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.16 : 7,422.84 = 3,983.88 : x
  2. Step 2: Convert to fraction form
    4,946.16/7,422.84 = 3,983.88/x
  3. Step 3: Cross multiply
    4,946.16x = 7,422.84 × 3,983.88
  4. Step 4: Simplify right side
    4,946.16x = 29,571,703.82
  5. Step 5: Solve for x
    x = 29,571,703.82/4,946.16
  6. Step 6: Final answer
    x = 5,978.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.