Home / 4,910.13-6,776.26-2,894.22

Finding the Fourth Proportional to 4,910.13, 6,776.26 and 2,894.22

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Solution

The fourth proportional to 4,910.13, 6,776.26 and 2,894.22 is: 3,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.13 : 6,776.26 = 2,894.22 : x
  2. Step 2: Convert to fraction form
    4,910.13/6,776.26 = 2,894.22/x
  3. Step 3: Cross multiply
    4,910.13x = 6,776.26 × 2,894.22
  4. Step 4: Simplify right side
    4,910.13x = 19,611,979.98
  5. Step 5: Solve for x
    x = 19,611,979.98/4,910.13
  6. Step 6: Final answer
    x = 3,994.19

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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.