Home / 3,322.15-4,585.21-1,906.67

Finding the Fourth Proportional to 3,322.15, 4,585.21 and 1,906.67

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Solution

The fourth proportional to 3,322.15, 4,585.21 and 1,906.67 is: 2,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.15 : 4,585.21 = 1,906.67 : x
  2. Step 2: Convert to fraction form
    3,322.15/4,585.21 = 1,906.67/x
  3. Step 3: Cross multiply
    3,322.15x = 4,585.21 × 1,906.67
  4. Step 4: Simplify right side
    3,322.15x = 8,742,489.05
  5. Step 5: Solve for x
    x = 8,742,489.05/3,322.15
  6. Step 6: Final answer
    x = 2,631.58

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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.