Home / 7,270.57-10,905.95-2,076.45

Finding the Fourth Proportional to 7,270.57, 10,905.95 and 2,076.45

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Solution

The fourth proportional to 7,270.57, 10,905.95 and 2,076.45 is: 3,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.57 : 10,905.95 = 2,076.45 : x
  2. Step 2: Convert to fraction form
    7,270.57/10,905.95 = 2,076.45/x
  3. Step 3: Cross multiply
    7,270.57x = 10,905.95 × 2,076.45
  4. Step 4: Simplify right side
    7,270.57x = 22,645,659.88
  5. Step 5: Solve for x
    x = 22,645,659.88/7,270.57
  6. Step 6: Final answer
    x = 3,114.70

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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.