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Finding the Fourth Proportional to 5,805.12, 8,011.08 and 3,152.54

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Solution

The fourth proportional to 5,805.12, 8,011.08 and 3,152.54 is: 4,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.12 : 8,011.08 = 3,152.54 : x
  2. Step 2: Convert to fraction form
    5,805.12/8,011.08 = 3,152.54/x
  3. Step 3: Cross multiply
    5,805.12x = 8,011.08 × 3,152.54
  4. Step 4: Simplify right side
    5,805.12x = 25,255,250.14
  5. Step 5: Solve for x
    x = 25,255,250.14/5,805.12
  6. Step 6: Final answer
    x = 4,350.51

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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.