Home / 5,214.43-7,194.08-3,620.66

Finding the Fourth Proportional to 5,214.43, 7,194.08 and 3,620.66

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Solution

The fourth proportional to 5,214.43, 7,194.08 and 3,620.66 is: 4,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.43 : 7,194.08 = 3,620.66 : x
  2. Step 2: Convert to fraction form
    5,214.43/7,194.08 = 3,620.66/x
  3. Step 3: Cross multiply
    5,214.43x = 7,194.08 × 3,620.66
  4. Step 4: Simplify right side
    5,214.43x = 26,047,290.77
  5. Step 5: Solve for x
    x = 26,047,290.77/5,214.43
  6. Step 6: Final answer
    x = 4,995.23

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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.