Home / 2,931.22-4,396.56-1,471.33

Finding the Fourth Proportional to 2,931.22, 4,396.56 and 1,471.33

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Solution

The fourth proportional to 2,931.22, 4,396.56 and 1,471.33 is: 2,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.22 : 4,396.56 = 1,471.33 : x
  2. Step 2: Convert to fraction form
    2,931.22/4,396.56 = 1,471.33/x
  3. Step 3: Cross multiply
    2,931.22x = 4,396.56 × 1,471.33
  4. Step 4: Simplify right side
    2,931.22x = 6,468,790.62
  5. Step 5: Solve for x
    x = 6,468,790.62/2,931.22
  6. Step 6: Final answer
    x = 2,206.86

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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.