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Finding the Fourth Proportional to 5,412.24, 8,119.18 and 1,713.24

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Solution

The fourth proportional to 5,412.24, 8,119.18 and 1,713.24 is: 2,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.24 : 8,119.18 = 1,713.24 : x
  2. Step 2: Convert to fraction form
    5,412.24/8,119.18 = 1,713.24/x
  3. Step 3: Cross multiply
    5,412.24x = 8,119.18 × 1,713.24
  4. Step 4: Simplify right side
    5,412.24x = 13,910,103.94
  5. Step 5: Solve for x
    x = 13,910,103.94/5,412.24
  6. Step 6: Final answer
    x = 2,570.12

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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.