Home / 4,078.26-6,117.71-1,769.94

Finding the Fourth Proportional to 4,078.26, 6,117.71 and 1,769.94

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Solution

The fourth proportional to 4,078.26, 6,117.71 and 1,769.94 is: 2,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.26 : 6,117.71 = 1,769.94 : x
  2. Step 2: Convert to fraction form
    4,078.26/6,117.71 = 1,769.94/x
  3. Step 3: Cross multiply
    4,078.26x = 6,117.71 × 1,769.94
  4. Step 4: Simplify right side
    4,078.26x = 10,827,979.64
  5. Step 5: Solve for x
    x = 10,827,979.64/4,078.26
  6. Step 6: Final answer
    x = 2,655.05

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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.