Home / 6,608.79-9,120.26-3,624.45

Finding the Fourth Proportional to 6,608.79, 9,120.26 and 3,624.45

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Solution

The fourth proportional to 6,608.79, 9,120.26 and 3,624.45 is: 5,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.79 : 9,120.26 = 3,624.45 : x
  2. Step 2: Convert to fraction form
    6,608.79/9,120.26 = 3,624.45/x
  3. Step 3: Cross multiply
    6,608.79x = 9,120.26 × 3,624.45
  4. Step 4: Simplify right side
    6,608.79x = 33,055,926.36
  5. Step 5: Solve for x
    x = 33,055,926.36/6,608.79
  6. Step 6: Final answer
    x = 5,001.81

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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.