Home / 2,070.46-3,106.85-1,609.16

Finding the Fourth Proportional to 2,070.46, 3,106.85 and 1,609.16

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Solution

The fourth proportional to 2,070.46, 3,106.85 and 1,609.16 is: 2,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.46 : 3,106.85 = 1,609.16 : x
  2. Step 2: Convert to fraction form
    2,070.46/3,106.85 = 1,609.16/x
  3. Step 3: Cross multiply
    2,070.46x = 3,106.85 × 1,609.16
  4. Step 4: Simplify right side
    2,070.46x = 4,999,418.47
  5. Step 5: Solve for x
    x = 4,999,418.47/2,070.46
  6. Step 6: Final answer
    x = 2,414.64

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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.