Home / 2,255.30-3,114.69-1,726.10

Finding the Fourth Proportional to 2,255.30, 3,114.69 and 1,726.10

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Solution

The fourth proportional to 2,255.30, 3,114.69 and 1,726.10 is: 2,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.30 : 3,114.69 = 1,726.10 : x
  2. Step 2: Convert to fraction form
    2,255.30/3,114.69 = 1,726.10/x
  3. Step 3: Cross multiply
    2,255.30x = 3,114.69 × 1,726.10
  4. Step 4: Simplify right side
    2,255.30x = 5,376,266.41
  5. Step 5: Solve for x
    x = 5,376,266.41/2,255.30
  6. Step 6: Final answer
    x = 2,383.84

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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.