Home / 6,938.96-9,575.06-3,954.61

Finding the Fourth Proportional to 6,938.96, 9,575.06 and 3,954.61

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Solution

The fourth proportional to 6,938.96, 9,575.06 and 3,954.61 is: 5,456.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.96 : 9,575.06 = 3,954.61 : x
  2. Step 2: Convert to fraction form
    6,938.96/9,575.06 = 3,954.61/x
  3. Step 3: Cross multiply
    6,938.96x = 9,575.06 × 3,954.61
  4. Step 4: Simplify right side
    6,938.96x = 37,865,628.03
  5. Step 5: Solve for x
    x = 37,865,628.03/6,938.96
  6. Step 6: Final answer
    x = 5,456.96

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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.