Home / 4,968.42-6,857.91-2,977.98

Finding the Fourth Proportional to 4,968.42, 6,857.91 and 2,977.98

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Solution

The fourth proportional to 4,968.42, 6,857.91 and 2,977.98 is: 4,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.42 : 6,857.91 = 2,977.98 : x
  2. Step 2: Convert to fraction form
    4,968.42/6,857.91 = 2,977.98/x
  3. Step 3: Cross multiply
    4,968.42x = 6,857.91 × 2,977.98
  4. Step 4: Simplify right side
    4,968.42x = 20,422,718.82
  5. Step 5: Solve for x
    x = 20,422,718.82/4,968.42
  6. Step 6: Final answer
    x = 4,110.51

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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.