Home / 4,910.84-7,359.09-2,279.15

Finding the Fourth Proportional to 4,910.84, 7,359.09 and 2,279.15

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Solution

The fourth proportional to 4,910.84, 7,359.09 and 2,279.15 is: 3,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.84 : 7,359.09 = 2,279.15 : x
  2. Step 2: Convert to fraction form
    4,910.84/7,359.09 = 2,279.15/x
  3. Step 3: Cross multiply
    4,910.84x = 7,359.09 × 2,279.15
  4. Step 4: Simplify right side
    4,910.84x = 16,772,433.18
  5. Step 5: Solve for x
    x = 16,772,433.18/4,910.84
  6. Step 6: Final answer
    x = 3,415.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.