Home / 5,416.43-7,474.68-3,058.59

Finding the Fourth Proportional to 5,416.43, 7,474.68 and 3,058.59

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Solution

The fourth proportional to 5,416.43, 7,474.68 and 3,058.59 is: 4,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.43 : 7,474.68 = 3,058.59 : x
  2. Step 2: Convert to fraction form
    5,416.43/7,474.68 = 3,058.59/x
  3. Step 3: Cross multiply
    5,416.43x = 7,474.68 × 3,058.59
  4. Step 4: Simplify right side
    5,416.43x = 22,861,981.50
  5. Step 5: Solve for x
    x = 22,861,981.50/5,416.43
  6. Step 6: Final answer
    x = 4,220.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.