Home / 5,712.12-8,542.26-5,104.62

Finding the Fourth Proportional to 5,712.12, 8,542.26 and 5,104.62

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Solution

The fourth proportional to 5,712.12, 8,542.26 and 5,104.62 is: 7,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.12 : 8,542.26 = 5,104.62 : x
  2. Step 2: Convert to fraction form
    5,712.12/8,542.26 = 5,104.62/x
  3. Step 3: Cross multiply
    5,712.12x = 8,542.26 × 5,104.62
  4. Step 4: Simplify right side
    5,712.12x = 43,604,991.24
  5. Step 5: Solve for x
    x = 43,604,991.24/5,712.12
  6. Step 6: Final answer
    x = 7,633.77

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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.