Home / 4,972.40-7,460.20-3,330.80

Finding the Fourth Proportional to 4,972.40, 7,460.20 and 3,330.80

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Solution

The fourth proportional to 4,972.40, 7,460.20 and 3,330.80 is: 4,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.40 : 7,460.20 = 3,330.80 : x
  2. Step 2: Convert to fraction form
    4,972.40/7,460.20 = 3,330.80/x
  3. Step 3: Cross multiply
    4,972.40x = 7,460.20 × 3,330.80
  4. Step 4: Simplify right side
    4,972.40x = 24,848,434.16
  5. Step 5: Solve for x
    x = 24,848,434.16/4,972.40
  6. Step 6: Final answer
    x = 4,997.27

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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.