Home / 7,717.41-10,650.13-4,180.61

Finding the Fourth Proportional to 7,717.41, 10,650.13 and 4,180.61

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Solution

The fourth proportional to 7,717.41, 10,650.13 and 4,180.61 is: 5,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.41 : 10,650.13 = 4,180.61 : x
  2. Step 2: Convert to fraction form
    7,717.41/10,650.13 = 4,180.61/x
  3. Step 3: Cross multiply
    7,717.41x = 10,650.13 × 4,180.61
  4. Step 4: Simplify right side
    7,717.41x = 44,524,056.15
  5. Step 5: Solve for x
    x = 44,524,056.15/7,717.41
  6. Step 6: Final answer
    x = 5,769.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.