Home / 6,748.04-10,122.54-2,131

Finding the Fourth Proportional to 6,748.04, 10,122.54 and 2,131

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Solution

The fourth proportional to 6,748.04, 10,122.54 and 2,131 is: 3,196.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.04 : 10,122.54 = 2,131 : x
  2. Step 2: Convert to fraction form
    6,748.04/10,122.54 = 2,131/x
  3. Step 3: Cross multiply
    6,748.04x = 10,122.54 × 2,131
  4. Step 4: Simplify right side
    6,748.04x = 21,571,132.74
  5. Step 5: Solve for x
    x = 21,571,132.74/6,748.04
  6. Step 6: Final answer
    x = 3,196.65

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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.