Home / 5,327.37-7,990.65-2,206.71

Finding the Fourth Proportional to 5,327.37, 7,990.65 and 2,206.71

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Solution

The fourth proportional to 5,327.37, 7,990.65 and 2,206.71 is: 3,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.37 : 7,990.65 = 2,206.71 : x
  2. Step 2: Convert to fraction form
    5,327.37/7,990.65 = 2,206.71/x
  3. Step 3: Cross multiply
    5,327.37x = 7,990.65 × 2,206.71
  4. Step 4: Simplify right side
    5,327.37x = 17,633,047.26
  5. Step 5: Solve for x
    x = 17,633,047.26/5,327.37
  6. Step 6: Final answer
    x = 3,309.90

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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.