Home / 7,349.20-10,141.37-4,161.58

Finding the Fourth Proportional to 7,349.20, 10,141.37 and 4,161.58

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Solution

The fourth proportional to 7,349.20, 10,141.37 and 4,161.58 is: 5,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.20 : 10,141.37 = 4,161.58 : x
  2. Step 2: Convert to fraction form
    7,349.20/10,141.37 = 4,161.58/x
  3. Step 3: Cross multiply
    7,349.20x = 10,141.37 × 4,161.58
  4. Step 4: Simplify right side
    7,349.20x = 42,204,092.01
  5. Step 5: Solve for x
    x = 42,204,092.01/7,349.20
  6. Step 6: Final answer
    x = 5,742.68

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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.