Home / 4,930.80-7,343.88-4,906.95

Finding the Fourth Proportional to 4,930.80, 7,343.88 and 4,906.95

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Solution

The fourth proportional to 4,930.80, 7,343.88 and 4,906.95 is: 7,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.80 : 7,343.88 = 4,906.95 : x
  2. Step 2: Convert to fraction form
    4,930.80/7,343.88 = 4,906.95/x
  3. Step 3: Cross multiply
    4,930.80x = 7,343.88 × 4,906.95
  4. Step 4: Simplify right side
    4,930.80x = 36,036,051.97
  5. Step 5: Solve for x
    x = 36,036,051.97/4,930.80
  6. Step 6: Final answer
    x = 7,308.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.