Home / 5,612.13-8,418.53-1,716.57

Finding the Fourth Proportional to 5,612.13, 8,418.53 and 1,716.57

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Solution

The fourth proportional to 5,612.13, 8,418.53 and 1,716.57 is: 2,574.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.13 : 8,418.53 = 1,716.57 : x
  2. Step 2: Convert to fraction form
    5,612.13/8,418.53 = 1,716.57/x
  3. Step 3: Cross multiply
    5,612.13x = 8,418.53 × 1,716.57
  4. Step 4: Simplify right side
    5,612.13x = 14,450,945.37
  5. Step 5: Solve for x
    x = 14,450,945.37/5,612.13
  6. Step 6: Final answer
    x = 2,574.95

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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.