Home / 5,418.75-8,124.48-2,495.46

Finding the Fourth Proportional to 5,418.75, 8,124.48 and 2,495.46

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Solution

The fourth proportional to 5,418.75, 8,124.48 and 2,495.46 is: 3,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.75 : 8,124.48 = 2,495.46 : x
  2. Step 2: Convert to fraction form
    5,418.75/8,124.48 = 2,495.46/x
  3. Step 3: Cross multiply
    5,418.75x = 8,124.48 × 2,495.46
  4. Step 4: Simplify right side
    5,418.75x = 20,274,314.86
  5. Step 5: Solve for x
    x = 20,274,314.86/5,418.75
  6. Step 6: Final answer
    x = 3,741.51

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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.