Home / 2,195.26-3,029.50-1,200.58

Finding the Fourth Proportional to 2,195.26, 3,029.50 and 1,200.58

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Solution

The fourth proportional to 2,195.26, 3,029.50 and 1,200.58 is: 1,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.26 : 3,029.50 = 1,200.58 : x
  2. Step 2: Convert to fraction form
    2,195.26/3,029.50 = 1,200.58/x
  3. Step 3: Cross multiply
    2,195.26x = 3,029.50 × 1,200.58
  4. Step 4: Simplify right side
    2,195.26x = 3,637,157.11
  5. Step 5: Solve for x
    x = 3,637,157.11/2,195.26
  6. Step 6: Final answer
    x = 1,656.82

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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.