Home / 2,176.13-3,264.50-1,080.41

Finding the Fourth Proportional to 2,176.13, 3,264.50 and 1,080.41

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Solution

The fourth proportional to 2,176.13, 3,264.50 and 1,080.41 is: 1,620.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.13 : 3,264.50 = 1,080.41 : x
  2. Step 2: Convert to fraction form
    2,176.13/3,264.50 = 1,080.41/x
  3. Step 3: Cross multiply
    2,176.13x = 3,264.50 × 1,080.41
  4. Step 4: Simplify right side
    2,176.13x = 3,526,984.82
  5. Step 5: Solve for x
    x = 3,526,984.82/2,176.13
  6. Step 6: Final answer
    x = 1,620.76

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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.