Home / 7,326.82-10,110.40-4,140.39

Finding the Fourth Proportional to 7,326.82, 10,110.40 and 4,140.39

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Solution

The fourth proportional to 7,326.82, 10,110.40 and 4,140.39 is: 5,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.82 : 10,110.40 = 4,140.39 : x
  2. Step 2: Convert to fraction form
    7,326.82/10,110.40 = 4,140.39/x
  3. Step 3: Cross multiply
    7,326.82x = 10,110.40 × 4,140.39
  4. Step 4: Simplify right side
    7,326.82x = 41,861,026.62
  5. Step 5: Solve for x
    x = 41,861,026.62/7,326.82
  6. Step 6: Final answer
    x = 5,713.40

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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.