Home / 5,690.25-7,848.71-4,942.91

Finding the Fourth Proportional to 5,690.25, 7,848.71 and 4,942.91

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Solution

The fourth proportional to 5,690.25, 7,848.71 and 4,942.91 is: 6,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.25 : 7,848.71 = 4,942.91 : x
  2. Step 2: Convert to fraction form
    5,690.25/7,848.71 = 4,942.91/x
  3. Step 3: Cross multiply
    5,690.25x = 7,848.71 × 4,942.91
  4. Step 4: Simplify right side
    5,690.25x = 38,795,467.15
  5. Step 5: Solve for x
    x = 38,795,467.15/5,690.25
  6. Step 6: Final answer
    x = 6,817.88

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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.