Home / 3,135.52-4,346.83-2,969.07

Finding the Fourth Proportional to 3,135.52, 4,346.83 and 2,969.07

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Solution

The fourth proportional to 3,135.52, 4,346.83 and 2,969.07 is: 4,116.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.52 : 4,346.83 = 2,969.07 : x
  2. Step 2: Convert to fraction form
    3,135.52/4,346.83 = 2,969.07/x
  3. Step 3: Cross multiply
    3,135.52x = 4,346.83 × 2,969.07
  4. Step 4: Simplify right side
    3,135.52x = 12,906,042.55
  5. Step 5: Solve for x
    x = 12,906,042.55/3,135.52
  6. Step 6: Final answer
    x = 4,116.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.