Home / 2,972.09-4,454.15-2,314.77

Finding the Fourth Proportional to 2,972.09, 4,454.15 and 2,314.77

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Solution

The fourth proportional to 2,972.09, 4,454.15 and 2,314.77 is: 3,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.09 : 4,454.15 = 2,314.77 : x
  2. Step 2: Convert to fraction form
    2,972.09/4,454.15 = 2,314.77/x
  3. Step 3: Cross multiply
    2,972.09x = 4,454.15 × 2,314.77
  4. Step 4: Simplify right side
    2,972.09x = 10,310,321.22
  5. Step 5: Solve for x
    x = 10,310,321.22/2,972.09
  6. Step 6: Final answer
    x = 3,469.05

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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.