Home / 6,101.28-8,419.74-3,306.78

Finding the Fourth Proportional to 6,101.28, 8,419.74 and 3,306.78

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Solution

The fourth proportional to 6,101.28, 8,419.74 and 3,306.78 is: 4,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.28 : 8,419.74 = 3,306.78 : x
  2. Step 2: Convert to fraction form
    6,101.28/8,419.74 = 3,306.78/x
  3. Step 3: Cross multiply
    6,101.28x = 8,419.74 × 3,306.78
  4. Step 4: Simplify right side
    6,101.28x = 27,842,227.84
  5. Step 5: Solve for x
    x = 27,842,227.84/6,101.28
  6. Step 6: Final answer
    x = 4,563.34

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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.