Home / 7,272.46-10,908.68-2,078.33

Finding the Fourth Proportional to 7,272.46, 10,908.68 and 2,078.33

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Solution

The fourth proportional to 7,272.46, 10,908.68 and 2,078.33 is: 3,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.46 : 10,908.68 = 2,078.33 : x
  2. Step 2: Convert to fraction form
    7,272.46/10,908.68 = 2,078.33/x
  3. Step 3: Cross multiply
    7,272.46x = 10,908.68 × 2,078.33
  4. Step 4: Simplify right side
    7,272.46x = 22,671,836.90
  5. Step 5: Solve for x
    x = 22,671,836.90/7,272.46
  6. Step 6: Final answer
    x = 3,117.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.