Home / 7,553.10-10,422.12-4,195.86

Finding the Fourth Proportional to 7,553.10, 10,422.12 and 4,195.86

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Solution

The fourth proportional to 7,553.10, 10,422.12 and 4,195.86 is: 5,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.10 : 10,422.12 = 4,195.86 : x
  2. Step 2: Convert to fraction form
    7,553.10/10,422.12 = 4,195.86/x
  3. Step 3: Cross multiply
    7,553.10x = 10,422.12 × 4,195.86
  4. Step 4: Simplify right side
    7,553.10x = 43,729,756.42
  5. Step 5: Solve for x
    x = 43,729,756.42/7,553.10
  6. Step 6: Final answer
    x = 5,789.64

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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.