Home / 2,266.74-3,127.32-1,271.88

Finding the Fourth Proportional to 2,266.74, 3,127.32 and 1,271.88

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Solution

The fourth proportional to 2,266.74, 3,127.32 and 1,271.88 is: 1,754.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.74 : 3,127.32 = 1,271.88 : x
  2. Step 2: Convert to fraction form
    2,266.74/3,127.32 = 1,271.88/x
  3. Step 3: Cross multiply
    2,266.74x = 3,127.32 × 1,271.88
  4. Step 4: Simplify right side
    2,266.74x = 3,977,575.76
  5. Step 5: Solve for x
    x = 3,977,575.76/2,266.74
  6. Step 6: Final answer
    x = 1,754.76

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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.