Home / 4,908.94-6,774.16-2,812.66

Finding the Fourth Proportional to 4,908.94, 6,774.16 and 2,812.66

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Solution

The fourth proportional to 4,908.94, 6,774.16 and 2,812.66 is: 3,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.94 : 6,774.16 = 2,812.66 : x
  2. Step 2: Convert to fraction form
    4,908.94/6,774.16 = 2,812.66/x
  3. Step 3: Cross multiply
    4,908.94x = 6,774.16 × 2,812.66
  4. Step 4: Simplify right side
    4,908.94x = 19,053,408.87
  5. Step 5: Solve for x
    x = 19,053,408.87/4,908.94
  6. Step 6: Final answer
    x = 3,881.37

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1.5x scale

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.