Home / 6,770.54-9,343.40-3,938.06

Finding the Fourth Proportional to 6,770.54, 9,343.40 and 3,938.06

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Solution

The fourth proportional to 6,770.54, 9,343.40 and 3,938.06 is: 5,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770.54 : 9,343.40 = 3,938.06 : x
  2. Step 2: Convert to fraction form
    6,770.54/9,343.40 = 3,938.06/x
  3. Step 3: Cross multiply
    6,770.54x = 9,343.40 × 3,938.06
  4. Step 4: Simplify right side
    6,770.54x = 36,794,869.80
  5. Step 5: Solve for x
    x = 36,794,869.80/6,770.54
  6. Step 6: Final answer
    x = 5,434.55

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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.