Home / 7,180.54-10,767.16-3,281.60

Finding the Fourth Proportional to 7,180.54, 10,767.16 and 3,281.60

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Solution

The fourth proportional to 7,180.54, 10,767.16 and 3,281.60 is: 4,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.54 : 10,767.16 = 3,281.60 : x
  2. Step 2: Convert to fraction form
    7,180.54/10,767.16 = 3,281.60/x
  3. Step 3: Cross multiply
    7,180.54x = 10,767.16 × 3,281.60
  4. Step 4: Simplify right side
    7,180.54x = 35,333,530.97
  5. Step 5: Solve for x
    x = 35,333,530.97/7,180.54
  6. Step 6: Final answer
    x = 4,920.74

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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.