Home / 5,343.36-8,008.06-2,872.86

Finding the Fourth Proportional to 5,343.36, 8,008.06 and 2,872.86

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Solution

The fourth proportional to 5,343.36, 8,008.06 and 2,872.86 is: 4,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.36 : 8,008.06 = 2,872.86 : x
  2. Step 2: Convert to fraction form
    5,343.36/8,008.06 = 2,872.86/x
  3. Step 3: Cross multiply
    5,343.36x = 8,008.06 × 2,872.86
  4. Step 4: Simplify right side
    5,343.36x = 23,006,040.39
  5. Step 5: Solve for x
    x = 23,006,040.39/5,343.36
  6. Step 6: Final answer
    x = 4,305.54

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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.