Home / 7,338.15-10,125.98-4,151.73

Finding the Fourth Proportional to 7,338.15, 10,125.98 and 4,151.73

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Solution

The fourth proportional to 7,338.15, 10,125.98 and 4,151.73 is: 5,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.15 : 10,125.98 = 4,151.73 : x
  2. Step 2: Convert to fraction form
    7,338.15/10,125.98 = 4,151.73/x
  3. Step 3: Cross multiply
    7,338.15x = 10,125.98 × 4,151.73
  4. Step 4: Simplify right side
    7,338.15x = 42,040,367.73
  5. Step 5: Solve for x
    x = 42,040,367.73/7,338.15
  6. Step 6: Final answer
    x = 5,729.01

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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.