Home / 7,272.59-10,908.86-2,078.46

Finding the Fourth Proportional to 7,272.59, 10,908.86 and 2,078.46

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Solution

The fourth proportional to 7,272.59, 10,908.86 and 2,078.46 is: 3,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.59 : 10,908.86 = 2,078.46 : x
  2. Step 2: Convert to fraction form
    7,272.59/10,908.86 = 2,078.46/x
  3. Step 3: Cross multiply
    7,272.59x = 10,908.86 × 2,078.46
  4. Step 4: Simplify right side
    7,272.59x = 22,673,618.76
  5. Step 5: Solve for x
    x = 22,673,618.76/7,272.59
  6. Step 6: Final answer
    x = 3,117.68

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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.