Home / 5,217.67-7,209.50-4,107.43

Finding the Fourth Proportional to 5,217.67, 7,209.50 and 4,107.43

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Solution

The fourth proportional to 5,217.67, 7,209.50 and 4,107.43 is: 5,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.67 : 7,209.50 = 4,107.43 : x
  2. Step 2: Convert to fraction form
    5,217.67/7,209.50 = 4,107.43/x
  3. Step 3: Cross multiply
    5,217.67x = 7,209.50 × 4,107.43
  4. Step 4: Simplify right side
    5,217.67x = 29,612,505.06
  5. Step 5: Solve for x
    x = 29,612,505.06/5,217.67
  6. Step 6: Final answer
    x = 5,675.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.