Home / 4,910.17-6,776.09-2,672.06

Finding the Fourth Proportional to 4,910.17, 6,776.09 and 2,672.06

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Solution

The fourth proportional to 4,910.17, 6,776.09 and 2,672.06 is: 3,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.17 : 6,776.09 = 2,672.06 : x
  2. Step 2: Convert to fraction form
    4,910.17/6,776.09 = 2,672.06/x
  3. Step 3: Cross multiply
    4,910.17x = 6,776.09 × 2,672.06
  4. Step 4: Simplify right side
    4,910.17x = 18,106,119.05
  5. Step 5: Solve for x
    x = 18,106,119.05/4,910.17
  6. Step 6: Final answer
    x = 3,687.47

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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.