Home / 2,195.02-3,029.07-1,200.28

Finding the Fourth Proportional to 2,195.02, 3,029.07 and 1,200.28

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Solution

The fourth proportional to 2,195.02, 3,029.07 and 1,200.28 is: 1,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.02 : 3,029.07 = 1,200.28 : x
  2. Step 2: Convert to fraction form
    2,195.02/3,029.07 = 1,200.28/x
  3. Step 3: Cross multiply
    2,195.02x = 3,029.07 × 1,200.28
  4. Step 4: Simplify right side
    2,195.02x = 3,635,732.14
  5. Step 5: Solve for x
    x = 3,635,732.14/2,195.02
  6. Step 6: Final answer
    x = 1,656.35

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1.5x scale

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.