Home / 3,167.18-4,370.61-1,731.48

Finding the Fourth Proportional to 3,167.18, 4,370.61 and 1,731.48

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Solution

The fourth proportional to 3,167.18, 4,370.61 and 1,731.48 is: 2,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.18 : 4,370.61 = 1,731.48 : x
  2. Step 2: Convert to fraction form
    3,167.18/4,370.61 = 1,731.48/x
  3. Step 3: Cross multiply
    3,167.18x = 4,370.61 × 1,731.48
  4. Step 4: Simplify right side
    3,167.18x = 7,567,630.30
  5. Step 5: Solve for x
    x = 7,567,630.30/3,167.18
  6. Step 6: Final answer
    x = 2,389.39

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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.