Home / 5,585.25-7,707.20-3,227.55

Finding the Fourth Proportional to 5,585.25, 7,707.20 and 3,227.55

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Solution

The fourth proportional to 5,585.25, 7,707.20 and 3,227.55 is: 4,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.25 : 7,707.20 = 3,227.55 : x
  2. Step 2: Convert to fraction form
    5,585.25/7,707.20 = 3,227.55/x
  3. Step 3: Cross multiply
    5,585.25x = 7,707.20 × 3,227.55
  4. Step 4: Simplify right side
    5,585.25x = 24,875,346.48
  5. Step 5: Solve for x
    x = 24,875,346.48/5,585.25
  6. Step 6: Final answer
    x = 4,453.75

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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.