Home / 4,891.50-7,330.37-2,116.04

Finding the Fourth Proportional to 4,891.50, 7,330.37 and 2,116.04

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Solution

The fourth proportional to 4,891.50, 7,330.37 and 2,116.04 is: 3,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.50 : 7,330.37 = 2,116.04 : x
  2. Step 2: Convert to fraction form
    4,891.50/7,330.37 = 2,116.04/x
  3. Step 3: Cross multiply
    4,891.50x = 7,330.37 × 2,116.04
  4. Step 4: Simplify right side
    4,891.50x = 15,511,308.90
  5. Step 5: Solve for x
    x = 15,511,308.90/4,891.50
  6. Step 6: Final answer
    x = 3,171.07

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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.