Home / 4,627.20-6,938.28-3,168

Finding the Fourth Proportional to 4,627.20, 6,938.28 and 3,168

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Solution

The fourth proportional to 4,627.20, 6,938.28 and 3,168 is: 4,750.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.20 : 6,938.28 = 3,168 : x
  2. Step 2: Convert to fraction form
    4,627.20/6,938.28 = 3,168/x
  3. Step 3: Cross multiply
    4,627.20x = 6,938.28 × 3,168
  4. Step 4: Simplify right side
    4,627.20x = 21,980,471.04
  5. Step 5: Solve for x
    x = 21,980,471.04/4,627.20
  6. Step 6: Final answer
    x = 4,750.27

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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.