Home / 3,167.04-4,370.40-2,236.80

Finding the Fourth Proportional to 3,167.04, 4,370.40 and 2,236.80

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Solution

The fourth proportional to 3,167.04, 4,370.40 and 2,236.80 is: 3,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.04 : 4,370.40 = 2,236.80 : x
  2. Step 2: Convert to fraction form
    3,167.04/4,370.40 = 2,236.80/x
  3. Step 3: Cross multiply
    3,167.04x = 4,370.40 × 2,236.80
  4. Step 4: Simplify right side
    3,167.04x = 9,775,710.72
  5. Step 5: Solve for x
    x = 9,775,710.72/3,167.04
  6. Step 6: Final answer
    x = 3,086.70

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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.