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Finding the Fourth Proportional to 4,856.57, 7,287.14 and 2,393.47

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Solution

The fourth proportional to 4,856.57, 7,287.14 and 2,393.47 is: 3,591.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.57 : 7,287.14 = 2,393.47 : x
  2. Step 2: Convert to fraction form
    4,856.57/7,287.14 = 2,393.47/x
  3. Step 3: Cross multiply
    4,856.57x = 7,287.14 × 2,393.47
  4. Step 4: Simplify right side
    4,856.57x = 17,441,550.98
  5. Step 5: Solve for x
    x = 17,441,550.98/4,856.57
  6. Step 6: Final answer
    x = 3,591.33

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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.