Home / 3,270.89-4,901.57-1,516.43

Finding the Fourth Proportional to 3,270.89, 4,901.57 and 1,516.43

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Solution

The fourth proportional to 3,270.89, 4,901.57 and 1,516.43 is: 2,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.89 : 4,901.57 = 1,516.43 : x
  2. Step 2: Convert to fraction form
    3,270.89/4,901.57 = 1,516.43/x
  3. Step 3: Cross multiply
    3,270.89x = 4,901.57 × 1,516.43
  4. Step 4: Simplify right side
    3,270.89x = 7,432,880.21
  5. Step 5: Solve for x
    x = 7,432,880.21/3,270.89
  6. Step 6: Final answer
    x = 2,272.43

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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.