Home / 4,930.08-7,394.82-2,981.76

Finding the Fourth Proportional to 4,930.08, 7,394.82 and 2,981.76

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Solution

The fourth proportional to 4,930.08, 7,394.82 and 2,981.76 is: 4,472.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.08 : 7,394.82 = 2,981.76 : x
  2. Step 2: Convert to fraction form
    4,930.08/7,394.82 = 2,981.76/x
  3. Step 3: Cross multiply
    4,930.08x = 7,394.82 × 2,981.76
  4. Step 4: Simplify right side
    4,930.08x = 22,049,578.48
  5. Step 5: Solve for x
    x = 22,049,578.48/4,930.08
  6. Step 6: Final answer
    x = 4,472.46

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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.