Home / 6,763.12-10,140.09-2,380

Finding the Fourth Proportional to 6,763.12, 10,140.09 and 2,380

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Solution

The fourth proportional to 6,763.12, 10,140.09 and 2,380 is: 3,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.12 : 10,140.09 = 2,380 : x
  2. Step 2: Convert to fraction form
    6,763.12/10,140.09 = 2,380/x
  3. Step 3: Cross multiply
    6,763.12x = 10,140.09 × 2,380
  4. Step 4: Simplify right side
    6,763.12x = 24,133,414.20
  5. Step 5: Solve for x
    x = 24,133,414.20/6,763.12
  6. Step 6: Final answer
    x = 3,568.38

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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.