Home / 2,195.98-3,030.58-1,252.06

Finding the Fourth Proportional to 2,195.98, 3,030.58 and 1,252.06

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Solution

The fourth proportional to 2,195.98, 3,030.58 and 1,252.06 is: 1,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.98 : 3,030.58 = 1,252.06 : x
  2. Step 2: Convert to fraction form
    2,195.98/3,030.58 = 1,252.06/x
  3. Step 3: Cross multiply
    2,195.98x = 3,030.58 × 1,252.06
  4. Step 4: Simplify right side
    2,195.98x = 3,794,467.99
  5. Step 5: Solve for x
    x = 3,794,467.99/2,195.98
  6. Step 6: Final answer
    x = 1,727.92

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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.