Home / 5,279.44-7,911.60-2,966.08

Finding the Fourth Proportional to 5,279.44, 7,911.60 and 2,966.08

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Solution

The fourth proportional to 5,279.44, 7,911.60 and 2,966.08 is: 4,444.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.44 : 7,911.60 = 2,966.08 : x
  2. Step 2: Convert to fraction form
    5,279.44/7,911.60 = 2,966.08/x
  3. Step 3: Cross multiply
    5,279.44x = 7,911.60 × 2,966.08
  4. Step 4: Simplify right side
    5,279.44x = 23,466,438.53
  5. Step 5: Solve for x
    x = 23,466,438.53/5,279.44
  6. Step 6: Final answer
    x = 4,444.87

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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.