Home / 5,102.80-7,043.36-3,334.70

Finding the Fourth Proportional to 5,102.80, 7,043.36 and 3,334.70

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Solution

The fourth proportional to 5,102.80, 7,043.36 and 3,334.70 is: 4,602.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.80 : 7,043.36 = 3,334.70 : x
  2. Step 2: Convert to fraction form
    5,102.80/7,043.36 = 3,334.70/x
  3. Step 3: Cross multiply
    5,102.80x = 7,043.36 × 3,334.70
  4. Step 4: Simplify right side
    5,102.80x = 23,487,493.53
  5. Step 5: Solve for x
    x = 23,487,493.53/5,102.80
  6. Step 6: Final answer
    x = 4,602.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.