Home / 7,287.20-10,930.80-2,093.52

Finding the Fourth Proportional to 7,287.20, 10,930.80 and 2,093.52

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Solution

The fourth proportional to 7,287.20, 10,930.80 and 2,093.52 is: 3,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.20 : 10,930.80 = 2,093.52 : x
  2. Step 2: Convert to fraction form
    7,287.20/10,930.80 = 2,093.52/x
  3. Step 3: Cross multiply
    7,287.20x = 10,930.80 × 2,093.52
  4. Step 4: Simplify right side
    7,287.20x = 22,883,848.42
  5. Step 5: Solve for x
    x = 22,883,848.42/7,287.20
  6. Step 6: Final answer
    x = 3,140.28

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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.