Home / 2,106.76-3,160.26-1,694.02

Finding the Fourth Proportional to 2,106.76, 3,160.26 and 1,694.02

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Solution

The fourth proportional to 2,106.76, 3,160.26 and 1,694.02 is: 2,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.76 : 3,160.26 = 1,694.02 : x
  2. Step 2: Convert to fraction form
    2,106.76/3,160.26 = 1,694.02/x
  3. Step 3: Cross multiply
    2,106.76x = 3,160.26 × 1,694.02
  4. Step 4: Simplify right side
    2,106.76x = 5,353,543.65
  5. Step 5: Solve for x
    x = 5,353,543.65/2,106.76
  6. Step 6: Final answer
    x = 2,541.13

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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.