Home / 5,219.88-7,827.64-3,576.92

Finding the Fourth Proportional to 5,219.88, 7,827.64 and 3,576.92

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Solution

The fourth proportional to 5,219.88, 7,827.64 and 3,576.92 is: 5,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.88 : 7,827.64 = 3,576.92 : x
  2. Step 2: Convert to fraction form
    5,219.88/7,827.64 = 3,576.92/x
  3. Step 3: Cross multiply
    5,219.88x = 7,827.64 × 3,576.92
  4. Step 4: Simplify right side
    5,219.88x = 27,998,842.07
  5. Step 5: Solve for x
    x = 27,998,842.07/5,219.88
  6. Step 6: Final answer
    x = 5,363.89

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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.