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Finding the Fourth Proportional to 5,097.92, 7,035.04 and 2,859.80

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Solution

The fourth proportional to 5,097.92, 7,035.04 and 2,859.80 is: 3,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.92 : 7,035.04 = 2,859.80 : x
  2. Step 2: Convert to fraction form
    5,097.92/7,035.04 = 2,859.80/x
  3. Step 3: Cross multiply
    5,097.92x = 7,035.04 × 2,859.80
  4. Step 4: Simplify right side
    5,097.92x = 20,118,807.39
  5. Step 5: Solve for x
    x = 20,118,807.39/5,097.92
  6. Step 6: Final answer
    x = 3,946.47

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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.