Home / 3,721.96-5,580.82-1,532.20

Finding the Fourth Proportional to 3,721.96, 5,580.82 and 1,532.20

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Solution

The fourth proportional to 3,721.96, 5,580.82 and 1,532.20 is: 2,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.96 : 5,580.82 = 1,532.20 : x
  2. Step 2: Convert to fraction form
    3,721.96/5,580.82 = 1,532.20/x
  3. Step 3: Cross multiply
    3,721.96x = 5,580.82 × 1,532.20
  4. Step 4: Simplify right side
    3,721.96x = 8,550,932.40
  5. Step 5: Solve for x
    x = 8,550,932.40/3,721.96
  6. Step 6: Final answer
    x = 2,297.43

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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.