Home / 5,386.28-8,076.11-2,095.54

Finding the Fourth Proportional to 5,386.28, 8,076.11 and 2,095.54

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Solution

The fourth proportional to 5,386.28, 8,076.11 and 2,095.54 is: 3,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.28 : 8,076.11 = 2,095.54 : x
  2. Step 2: Convert to fraction form
    5,386.28/8,076.11 = 2,095.54/x
  3. Step 3: Cross multiply
    5,386.28x = 8,076.11 × 2,095.54
  4. Step 4: Simplify right side
    5,386.28x = 16,923,780.88
  5. Step 5: Solve for x
    x = 16,923,780.88/5,386.28
  6. Step 6: Final answer
    x = 3,142.02

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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.