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Finding the Fourth Proportional to 4,294.95, 5,927.79 and 3,119.44

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Solution

The fourth proportional to 4,294.95, 5,927.79 and 3,119.44 is: 4,305.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.95 : 5,927.79 = 3,119.44 : x
  2. Step 2: Convert to fraction form
    4,294.95/5,927.79 = 3,119.44/x
  3. Step 3: Cross multiply
    4,294.95x = 5,927.79 × 3,119.44
  4. Step 4: Simplify right side
    4,294.95x = 18,491,385.24
  5. Step 5: Solve for x
    x = 18,491,385.24/4,294.95
  6. Step 6: Final answer
    x = 4,305.38

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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.