Home / 6,629.73-9,148.95-3,645.54

Finding the Fourth Proportional to 6,629.73, 9,148.95 and 3,645.54

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Solution

The fourth proportional to 6,629.73, 9,148.95 and 3,645.54 is: 5,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.73 : 9,148.95 = 3,645.54 : x
  2. Step 2: Convert to fraction form
    6,629.73/9,148.95 = 3,645.54/x
  3. Step 3: Cross multiply
    6,629.73x = 9,148.95 × 3,645.54
  4. Step 4: Simplify right side
    6,629.73x = 33,352,844.96
  5. Step 5: Solve for x
    x = 33,352,844.96/6,629.73
  6. Step 6: Final answer
    x = 5,030.80

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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.