Home / 5,338.08-8,005.68-2,051.28

Finding the Fourth Proportional to 5,338.08, 8,005.68 and 2,051.28

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Solution

The fourth proportional to 5,338.08, 8,005.68 and 2,051.28 is: 3,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.08 : 8,005.68 = 2,051.28 : x
  2. Step 2: Convert to fraction form
    5,338.08/8,005.68 = 2,051.28/x
  3. Step 3: Cross multiply
    5,338.08x = 8,005.68 × 2,051.28
  4. Step 4: Simplify right side
    5,338.08x = 16,421,891.27
  5. Step 5: Solve for x
    x = 16,421,891.27/5,338.08
  6. Step 6: Final answer
    x = 3,076.37

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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.