Home / 6,654.28-9,179.94-3,858.16

Finding the Fourth Proportional to 6,654.28, 9,179.94 and 3,858.16

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Solution

The fourth proportional to 6,654.28, 9,179.94 and 3,858.16 is: 5,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.28 : 9,179.94 = 3,858.16 : x
  2. Step 2: Convert to fraction form
    6,654.28/9,179.94 = 3,858.16/x
  3. Step 3: Cross multiply
    6,654.28x = 9,179.94 × 3,858.16
  4. Step 4: Simplify right side
    6,654.28x = 35,417,677.31
  5. Step 5: Solve for x
    x = 35,417,677.31/6,654.28
  6. Step 6: Final answer
    x = 5,322.54

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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.