Home / 7,458.11-10,291.91-4,100.73

Finding the Fourth Proportional to 7,458.11, 10,291.91 and 4,100.73

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Solution

The fourth proportional to 7,458.11, 10,291.91 and 4,100.73 is: 5,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.11 : 10,291.91 = 4,100.73 : x
  2. Step 2: Convert to fraction form
    7,458.11/10,291.91 = 4,100.73/x
  3. Step 3: Cross multiply
    7,458.11x = 10,291.91 × 4,100.73
  4. Step 4: Simplify right side
    7,458.11x = 42,204,308.06
  5. Step 5: Solve for x
    x = 42,204,308.06/7,458.11
  6. Step 6: Final answer
    x = 5,658.85

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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.