Home / 5,813.88-8,020.58-3,874.03

Finding the Fourth Proportional to 5,813.88, 8,020.58 and 3,874.03

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Solution

The fourth proportional to 5,813.88, 8,020.58 and 3,874.03 is: 5,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.88 : 8,020.58 = 3,874.03 : x
  2. Step 2: Convert to fraction form
    5,813.88/8,020.58 = 3,874.03/x
  3. Step 3: Cross multiply
    5,813.88x = 8,020.58 × 3,874.03
  4. Step 4: Simplify right side
    5,813.88x = 31,071,957.17
  5. Step 5: Solve for x
    x = 31,071,957.17/5,813.88
  6. Step 6: Final answer
    x = 5,344.44

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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.