Home / 2,207.28-3,311.83-1,167.01

Finding the Fourth Proportional to 2,207.28, 3,311.83 and 1,167.01

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Solution

The fourth proportional to 2,207.28, 3,311.83 and 1,167.01 is: 1,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.28 : 3,311.83 = 1,167.01 : x
  2. Step 2: Convert to fraction form
    2,207.28/3,311.83 = 1,167.01/x
  3. Step 3: Cross multiply
    2,207.28x = 3,311.83 × 1,167.01
  4. Step 4: Simplify right side
    2,207.28x = 3,864,931.91
  5. Step 5: Solve for x
    x = 3,864,931.91/2,207.28
  6. Step 6: Final answer
    x = 1,750.99

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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.