Home / 5,252.70-7,249.46-3,015.28

Finding the Fourth Proportional to 5,252.70, 7,249.46 and 3,015.28

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Solution

The fourth proportional to 5,252.70, 7,249.46 and 3,015.28 is: 4,161.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.70 : 7,249.46 = 3,015.28 : x
  2. Step 2: Convert to fraction form
    5,252.70/7,249.46 = 3,015.28/x
  3. Step 3: Cross multiply
    5,252.70x = 7,249.46 × 3,015.28
  4. Step 4: Simplify right side
    5,252.70x = 21,859,118.55
  5. Step 5: Solve for x
    x = 21,859,118.55/5,252.70
  6. Step 6: Final answer
    x = 4,161.50

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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.