Home / 4,947.98-6,827.76-2,824.02

Finding the Fourth Proportional to 4,947.98, 6,827.76 and 2,824.02

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Solution

The fourth proportional to 4,947.98, 6,827.76 and 2,824.02 is: 3,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.98 : 6,827.76 = 2,824.02 : x
  2. Step 2: Convert to fraction form
    4,947.98/6,827.76 = 2,824.02/x
  3. Step 3: Cross multiply
    4,947.98x = 6,827.76 × 2,824.02
  4. Step 4: Simplify right side
    4,947.98x = 19,281,730.80
  5. Step 5: Solve for x
    x = 19,281,730.80/4,947.98
  6. Step 6: Final answer
    x = 3,896.89

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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.