Home / 6,628.73-9,147.47-3,603.75

Finding the Fourth Proportional to 6,628.73, 9,147.47 and 3,603.75

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Solution

The fourth proportional to 6,628.73, 9,147.47 and 3,603.75 is: 4,973.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.73 : 9,147.47 = 3,603.75 : x
  2. Step 2: Convert to fraction form
    6,628.73/9,147.47 = 3,603.75/x
  3. Step 3: Cross multiply
    6,628.73x = 9,147.47 × 3,603.75
  4. Step 4: Simplify right side
    6,628.73x = 32,965,176.99
  5. Step 5: Solve for x
    x = 32,965,176.99/6,628.73
  6. Step 6: Final answer
    x = 4,973.08

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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.