Home / 7,717.48-10,650.10-4,180.71

Finding the Fourth Proportional to 7,717.48, 10,650.10 and 4,180.71

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Solution

The fourth proportional to 7,717.48, 10,650.10 and 4,180.71 is: 5,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.48 : 10,650.10 = 4,180.71 : x
  2. Step 2: Convert to fraction form
    7,717.48/10,650.10 = 4,180.71/x
  3. Step 3: Cross multiply
    7,717.48x = 10,650.10 × 4,180.71
  4. Step 4: Simplify right side
    7,717.48x = 44,524,979.57
  5. Step 5: Solve for x
    x = 44,524,979.57/7,717.48
  6. Step 6: Final answer
    x = 5,769.37

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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.