Home / 3,125.22-4,689.54-1,738.35

Finding the Fourth Proportional to 3,125.22, 4,689.54 and 1,738.35

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Solution

The fourth proportional to 3,125.22, 4,689.54 and 1,738.35 is: 2,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.22 : 4,689.54 = 1,738.35 : x
  2. Step 2: Convert to fraction form
    3,125.22/4,689.54 = 1,738.35/x
  3. Step 3: Cross multiply
    3,125.22x = 4,689.54 × 1,738.35
  4. Step 4: Simplify right side
    3,125.22x = 8,152,061.86
  5. Step 5: Solve for x
    x = 8,152,061.86/3,125.22
  6. Step 6: Final answer
    x = 2,608.48

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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.