Home / 5,813.38-8,023.64-3,455.06

Finding the Fourth Proportional to 5,813.38, 8,023.64 and 3,455.06

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Solution

The fourth proportional to 5,813.38, 8,023.64 and 3,455.06 is: 4,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.38 : 8,023.64 = 3,455.06 : x
  2. Step 2: Convert to fraction form
    5,813.38/8,023.64 = 3,455.06/x
  3. Step 3: Cross multiply
    5,813.38x = 8,023.64 × 3,455.06
  4. Step 4: Simplify right side
    5,813.38x = 27,722,157.62
  5. Step 5: Solve for x
    x = 27,722,157.62/5,813.38
  6. Step 6: Final answer
    x = 4,768.68

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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.