Home / 3,135.12-4,701.72-2,167.44

Finding the Fourth Proportional to 3,135.12, 4,701.72 and 2,167.44

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Solution

The fourth proportional to 3,135.12, 4,701.72 and 2,167.44 is: 3,250.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.12 : 4,701.72 = 2,167.44 : x
  2. Step 2: Convert to fraction form
    3,135.12/4,701.72 = 2,167.44/x
  3. Step 3: Cross multiply
    3,135.12x = 4,701.72 × 2,167.44
  4. Step 4: Simplify right side
    3,135.12x = 10,190,696.00
  5. Step 5: Solve for x
    x = 10,190,696.00/3,135.12
  6. Step 6: Final answer
    x = 3,250.50

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1.5x scale

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.