Home / 6,166.58-8,507.48-3,928.06

Finding the Fourth Proportional to 6,166.58, 8,507.48 and 3,928.06

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Solution

The fourth proportional to 6,166.58, 8,507.48 and 3,928.06 is: 5,419.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,166.58 : 8,507.48 = 3,928.06 : x
  2. Step 2: Convert to fraction form
    6,166.58/8,507.48 = 3,928.06/x
  3. Step 3: Cross multiply
    6,166.58x = 8,507.48 × 3,928.06
  4. Step 4: Simplify right side
    6,166.58x = 33,417,891.89
  5. Step 5: Solve for x
    x = 33,417,891.89/6,166.58
  6. Step 6: Final answer
    x = 5,419.19

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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.