Home / 7,287.48-10,931.94-2,094.12

Finding the Fourth Proportional to 7,287.48, 10,931.94 and 2,094.12

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Solution

The fourth proportional to 7,287.48, 10,931.94 and 2,094.12 is: 3,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.48 : 10,931.94 = 2,094.12 : x
  2. Step 2: Convert to fraction form
    7,287.48/10,931.94 = 2,094.12/x
  3. Step 3: Cross multiply
    7,287.48x = 10,931.94 × 2,094.12
  4. Step 4: Simplify right side
    7,287.48x = 22,892,794.19
  5. Step 5: Solve for x
    x = 22,892,794.19/7,287.48
  6. Step 6: Final answer
    x = 3,141.39

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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.