Home / 5,365.62-8,043.78-2,076.45

Finding the Fourth Proportional to 5,365.62, 8,043.78 and 2,076.45

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Solution

The fourth proportional to 5,365.62, 8,043.78 and 2,076.45 is: 3,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.62 : 8,043.78 = 2,076.45 : x
  2. Step 2: Convert to fraction form
    5,365.62/8,043.78 = 2,076.45/x
  3. Step 3: Cross multiply
    5,365.62x = 8,043.78 × 2,076.45
  4. Step 4: Simplify right side
    5,365.62x = 16,702,506.98
  5. Step 5: Solve for x
    x = 16,702,506.98/5,365.62
  6. Step 6: Final answer
    x = 3,112.88

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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.