Home / 4,981.30-6,872.76-3,092.98

Finding the Fourth Proportional to 4,981.30, 6,872.76 and 3,092.98

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Solution

The fourth proportional to 4,981.30, 6,872.76 and 3,092.98 is: 4,267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.30 : 6,872.76 = 3,092.98 : x
  2. Step 2: Convert to fraction form
    4,981.30/6,872.76 = 3,092.98/x
  3. Step 3: Cross multiply
    4,981.30x = 6,872.76 × 3,092.98
  4. Step 4: Simplify right side
    4,981.30x = 21,257,309.22
  5. Step 5: Solve for x
    x = 21,257,309.22/4,981.30
  6. Step 6: Final answer
    x = 4,267.42

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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.