Home / 5,194.20-7,167.78-2,836.32

Finding the Fourth Proportional to 5,194.20, 7,167.78 and 2,836.32

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Solution

The fourth proportional to 5,194.20, 7,167.78 and 2,836.32 is: 3,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.20 : 7,167.78 = 2,836.32 : x
  2. Step 2: Convert to fraction form
    5,194.20/7,167.78 = 2,836.32/x
  3. Step 3: Cross multiply
    5,194.20x = 7,167.78 × 2,836.32
  4. Step 4: Simplify right side
    5,194.20x = 20,330,117.77
  5. Step 5: Solve for x
    x = 20,330,117.77/5,194.20
  6. Step 6: Final answer
    x = 3,914.00

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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.