Home / 3,476.85-5,215.50-1,011.84

Finding the Fourth Proportional to 3,476.85, 5,215.50 and 1,011.84

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Solution

The fourth proportional to 3,476.85, 5,215.50 and 1,011.84 is: 1,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.85 : 5,215.50 = 1,011.84 : x
  2. Step 2: Convert to fraction form
    3,476.85/5,215.50 = 1,011.84/x
  3. Step 3: Cross multiply
    3,476.85x = 5,215.50 × 1,011.84
  4. Step 4: Simplify right side
    3,476.85x = 5,277,231.96
  5. Step 5: Solve for x
    x = 5,277,231.96/3,476.85
  6. Step 6: Final answer
    x = 1,517.82

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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.