Home / 2,266.06-3,127.66-1,381.68

Finding the Fourth Proportional to 2,266.06, 3,127.66 and 1,381.68

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Solution

The fourth proportional to 2,266.06, 3,127.66 and 1,381.68 is: 1,907.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.06 : 3,127.66 = 1,381.68 : x
  2. Step 2: Convert to fraction form
    2,266.06/3,127.66 = 1,381.68/x
  3. Step 3: Cross multiply
    2,266.06x = 3,127.66 × 1,381.68
  4. Step 4: Simplify right side
    2,266.06x = 4,321,425.27
  5. Step 5: Solve for x
    x = 4,321,425.27/2,266.06
  6. Step 6: Final answer
    x = 1,907.02

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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.