Home / 3,312.25-4,967.83-1,231.76

Finding the Fourth Proportional to 3,312.25, 4,967.83 and 1,231.76

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Solution

The fourth proportional to 3,312.25, 4,967.83 and 1,231.76 is: 1,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.25 : 4,967.83 = 1,231.76 : x
  2. Step 2: Convert to fraction form
    3,312.25/4,967.83 = 1,231.76/x
  3. Step 3: Cross multiply
    3,312.25x = 4,967.83 × 1,231.76
  4. Step 4: Simplify right side
    3,312.25x = 6,119,171.20
  5. Step 5: Solve for x
    x = 6,119,171.20/3,312.25
  6. Step 6: Final answer
    x = 1,847.44

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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.