Home / 4,109.16-6,161.86-1,769.08

Finding the Fourth Proportional to 4,109.16, 6,161.86 and 1,769.08

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Solution

The fourth proportional to 4,109.16, 6,161.86 and 1,769.08 is: 2,652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.16 : 6,161.86 = 1,769.08 : x
  2. Step 2: Convert to fraction form
    4,109.16/6,161.86 = 1,769.08/x
  3. Step 3: Cross multiply
    4,109.16x = 6,161.86 × 1,769.08
  4. Step 4: Simplify right side
    4,109.16x = 10,900,823.29
  5. Step 5: Solve for x
    x = 10,900,823.29/4,109.16
  6. Step 6: Final answer
    x = 2,652.81

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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.