Home / 2,276.67-3,412.80-889.95

Finding the Fourth Proportional to 2,276.67, 3,412.80 and 889.95

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Solution

The fourth proportional to 2,276.67, 3,412.80 and 889.95 is: 1,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.67 : 3,412.80 = 889.95 : x
  2. Step 2: Convert to fraction form
    2,276.67/3,412.80 = 889.95/x
  3. Step 3: Cross multiply
    2,276.67x = 3,412.80 × 889.95
  4. Step 4: Simplify right side
    2,276.67x = 3,037,221.36
  5. Step 5: Solve for x
    x = 3,037,221.36/2,276.67
  6. Step 6: Final answer
    x = 1,334.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.