Home / 7,067.84-10,601.76-4,870

Finding the Fourth Proportional to 7,067.84, 10,601.76 and 4,870

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Solution

The fourth proportional to 7,067.84, 10,601.76 and 4,870 is: 7,305

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.84 : 10,601.76 = 4,870 : x
  2. Step 2: Convert to fraction form
    7,067.84/10,601.76 = 4,870/x
  3. Step 3: Cross multiply
    7,067.84x = 10,601.76 × 4,870
  4. Step 4: Simplify right side
    7,067.84x = 51,630,571.20
  5. Step 5: Solve for x
    x = 51,630,571.20/7,067.84
  6. Step 6: Final answer
    x = 7,305

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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.