Home / 7,555.20-10,426.53-4,198.02

Finding the Fourth Proportional to 7,555.20, 10,426.53 and 4,198.02

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Solution

The fourth proportional to 7,555.20, 10,426.53 and 4,198.02 is: 5,793.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.20 : 10,426.53 = 4,198.02 : x
  2. Step 2: Convert to fraction form
    7,555.20/10,426.53 = 4,198.02/x
  3. Step 3: Cross multiply
    7,555.20x = 10,426.53 × 4,198.02
  4. Step 4: Simplify right side
    7,555.20x = 43,770,781.47
  5. Step 5: Solve for x
    x = 43,770,781.47/7,555.20
  6. Step 6: Final answer
    x = 5,793.46

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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.