Home / 7,970.98-11,961.63-3,354.02

Finding the Fourth Proportional to 7,970.98, 11,961.63 and 3,354.02

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Solution

The fourth proportional to 7,970.98, 11,961.63 and 3,354.02 is: 5,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.98 : 11,961.63 = 3,354.02 : x
  2. Step 2: Convert to fraction form
    7,970.98/11,961.63 = 3,354.02/x
  3. Step 3: Cross multiply
    7,970.98x = 11,961.63 × 3,354.02
  4. Step 4: Simplify right side
    7,970.98x = 40,119,546.25
  5. Step 5: Solve for x
    x = 40,119,546.25/7,970.98
  6. Step 6: Final answer
    x = 5,033.20

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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.