Home / 5,060.40-7,591.64-2,138.72

Finding the Fourth Proportional to 5,060.40, 7,591.64 and 2,138.72

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Solution

The fourth proportional to 5,060.40, 7,591.64 and 2,138.72 is: 3,208.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,060.40 : 7,591.64 = 2,138.72 : x
  2. Step 2: Convert to fraction form
    5,060.40/7,591.64 = 2,138.72/x
  3. Step 3: Cross multiply
    5,060.40x = 7,591.64 × 2,138.72
  4. Step 4: Simplify right side
    5,060.40x = 16,236,392.30
  5. Step 5: Solve for x
    x = 16,236,392.30/5,060.40
  6. Step 6: Final answer
    x = 3,208.52

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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.