Home / 5,096.80-7,640.24-1,631.52

Finding the Fourth Proportional to 5,096.80, 7,640.24 and 1,631.52

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Solution

The fourth proportional to 5,096.80, 7,640.24 and 1,631.52 is: 2,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,096.80 : 7,640.24 = 1,631.52 : x
  2. Step 2: Convert to fraction form
    5,096.80/7,640.24 = 1,631.52/x
  3. Step 3: Cross multiply
    5,096.80x = 7,640.24 × 1,631.52
  4. Step 4: Simplify right side
    5,096.80x = 12,465,204.36
  5. Step 5: Solve for x
    x = 12,465,204.36/5,096.80
  6. Step 6: Final answer
    x = 2,445.69

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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.