Home / 7,215.44-10,822.50-2,285

Finding the Fourth Proportional to 7,215.44, 10,822.50 and 2,285

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Solution

The fourth proportional to 7,215.44, 10,822.50 and 2,285 is: 3,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.44 : 10,822.50 = 2,285 : x
  2. Step 2: Convert to fraction form
    7,215.44/10,822.50 = 2,285/x
  3. Step 3: Cross multiply
    7,215.44x = 10,822.50 × 2,285
  4. Step 4: Simplify right side
    7,215.44x = 24,729,412.50
  5. Step 5: Solve for x
    x = 24,729,412.50/7,215.44
  6. Step 6: Final answer
    x = 3,427.29

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1.5x scale

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.