Home / 3,167.10-4,370.60-1,769.86

Finding the Fourth Proportional to 3,167.10, 4,370.60 and 1,769.86

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Solution

The fourth proportional to 3,167.10, 4,370.60 and 1,769.86 is: 2,442.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.10 : 4,370.60 = 1,769.86 : x
  2. Step 2: Convert to fraction form
    3,167.10/4,370.60 = 1,769.86/x
  3. Step 3: Cross multiply
    3,167.10x = 4,370.60 × 1,769.86
  4. Step 4: Simplify right side
    3,167.10x = 7,735,350.12
  5. Step 5: Solve for x
    x = 7,735,350.12/3,167.10
  6. Step 6: Final answer
    x = 2,442.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.