Home / 7,331.75-10,992.60-3,530.39

Finding the Fourth Proportional to 7,331.75, 10,992.60 and 3,530.39

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Solution

The fourth proportional to 7,331.75, 10,992.60 and 3,530.39 is: 5,293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.75 : 10,992.60 = 3,530.39 : x
  2. Step 2: Convert to fraction form
    7,331.75/10,992.60 = 3,530.39/x
  3. Step 3: Cross multiply
    7,331.75x = 10,992.60 × 3,530.39
  4. Step 4: Simplify right side
    7,331.75x = 38,808,110.15
  5. Step 5: Solve for x
    x = 38,808,110.15/7,331.75
  6. Step 6: Final answer
    x = 5,293.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.