Home / 7,326.75-10,110.32-4,139.88

Finding the Fourth Proportional to 7,326.75, 10,110.32 and 4,139.88

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Solution

The fourth proportional to 7,326.75, 10,110.32 and 4,139.88 is: 5,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.75 : 10,110.32 = 4,139.88 : x
  2. Step 2: Convert to fraction form
    7,326.75/10,110.32 = 4,139.88/x
  3. Step 3: Cross multiply
    7,326.75x = 10,110.32 × 4,139.88
  4. Step 4: Simplify right side
    7,326.75x = 41,855,468.47
  5. Step 5: Solve for x
    x = 41,855,468.47/7,326.75
  6. Step 6: Final answer
    x = 5,712.69

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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.