Home / 5,238.15-7,850.52-2,458.68

Finding the Fourth Proportional to 5,238.15, 7,850.52 and 2,458.68

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Solution

The fourth proportional to 5,238.15, 7,850.52 and 2,458.68 is: 3,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.15 : 7,850.52 = 2,458.68 : x
  2. Step 2: Convert to fraction form
    5,238.15/7,850.52 = 2,458.68/x
  3. Step 3: Cross multiply
    5,238.15x = 7,850.52 × 2,458.68
  4. Step 4: Simplify right side
    5,238.15x = 19,301,916.51
  5. Step 5: Solve for x
    x = 19,301,916.51/5,238.15
  6. Step 6: Final answer
    x = 3,684.87

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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.