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Finding the Fourth Proportional to 5,212.92, 7,188.84 and 4,831.14

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Solution

The fourth proportional to 5,212.92, 7,188.84 and 4,831.14 is: 6,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.92 : 7,188.84 = 4,831.14 : x
  2. Step 2: Convert to fraction form
    5,212.92/7,188.84 = 4,831.14/x
  3. Step 3: Cross multiply
    5,212.92x = 7,188.84 × 4,831.14
  4. Step 4: Simplify right side
    5,212.92x = 34,730,292.48
  5. Step 5: Solve for x
    x = 34,730,292.48/5,212.92
  6. Step 6: Final answer
    x = 6,662.35

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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.