Home / 2,212.99-3,053.46-1,317.04

Finding the Fourth Proportional to 2,212.99, 3,053.46 and 1,317.04

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Solution

The fourth proportional to 2,212.99, 3,053.46 and 1,317.04 is: 1,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.99 : 3,053.46 = 1,317.04 : x
  2. Step 2: Convert to fraction form
    2,212.99/3,053.46 = 1,317.04/x
  3. Step 3: Cross multiply
    2,212.99x = 3,053.46 × 1,317.04
  4. Step 4: Simplify right side
    2,212.99x = 4,021,528.96
  5. Step 5: Solve for x
    x = 4,021,528.96/2,212.99
  6. Step 6: Final answer
    x = 1,817.24

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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.