Home / 4,908.61-6,771.67-2,918.08

Finding the Fourth Proportional to 4,908.61, 6,771.67 and 2,918.08

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Solution

The fourth proportional to 4,908.61, 6,771.67 and 2,918.08 is: 4,025.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.61 : 6,771.67 = 2,918.08 : x
  2. Step 2: Convert to fraction form
    4,908.61/6,771.67 = 2,918.08/x
  3. Step 3: Cross multiply
    4,908.61x = 6,771.67 × 2,918.08
  4. Step 4: Simplify right side
    4,908.61x = 19,760,274.79
  5. Step 5: Solve for x
    x = 19,760,274.79/4,908.61
  6. Step 6: Final answer
    x = 4,025.64

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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.