Home / 2,483.12-3,721.80-2,195.12

Finding the Fourth Proportional to 2,483.12, 3,721.80 and 2,195.12

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Solution

The fourth proportional to 2,483.12, 3,721.80 and 2,195.12 is: 3,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.12 : 3,721.80 = 2,195.12 : x
  2. Step 2: Convert to fraction form
    2,483.12/3,721.80 = 2,195.12/x
  3. Step 3: Cross multiply
    2,483.12x = 3,721.80 × 2,195.12
  4. Step 4: Simplify right side
    2,483.12x = 8,169,797.62
  5. Step 5: Solve for x
    x = 8,169,797.62/2,483.12
  6. Step 6: Final answer
    x = 3,290.13

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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.