Home / 3,167.11-4,751.05-1,319.48

Finding the Fourth Proportional to 3,167.11, 4,751.05 and 1,319.48

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Solution

The fourth proportional to 3,167.11, 4,751.05 and 1,319.48 is: 1,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.11 : 4,751.05 = 1,319.48 : x
  2. Step 2: Convert to fraction form
    3,167.11/4,751.05 = 1,319.48/x
  3. Step 3: Cross multiply
    3,167.11x = 4,751.05 × 1,319.48
  4. Step 4: Simplify right side
    3,167.11x = 6,268,915.45
  5. Step 5: Solve for x
    x = 6,268,915.45/3,167.11
  6. Step 6: Final answer
    x = 1,979.38

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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.