Home / 5,387.08-8,083.68-2,465.38

Finding the Fourth Proportional to 5,387.08, 8,083.68 and 2,465.38

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Solution

The fourth proportional to 5,387.08, 8,083.68 and 2,465.38 is: 3,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.08 : 8,083.68 = 2,465.38 : x
  2. Step 2: Convert to fraction form
    5,387.08/8,083.68 = 2,465.38/x
  3. Step 3: Cross multiply
    5,387.08x = 8,083.68 × 2,465.38
  4. Step 4: Simplify right side
    5,387.08x = 19,929,343.00
  5. Step 5: Solve for x
    x = 19,929,343.00/5,387.08
  6. Step 6: Final answer
    x = 3,699.47

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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.