Home / 5,153.50-7,112.10-3,029.14

Finding the Fourth Proportional to 5,153.50, 7,112.10 and 3,029.14

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Solution

The fourth proportional to 5,153.50, 7,112.10 and 3,029.14 is: 4,180.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.50 : 7,112.10 = 3,029.14 : x
  2. Step 2: Convert to fraction form
    5,153.50/7,112.10 = 3,029.14/x
  3. Step 3: Cross multiply
    5,153.50x = 7,112.10 × 3,029.14
  4. Step 4: Simplify right side
    5,153.50x = 21,543,546.59
  5. Step 5: Solve for x
    x = 21,543,546.59/5,153.50
  6. Step 6: Final answer
    x = 4,180.37

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1.5x scale

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.