Home / 3,992.12-5,503.76-2,795.50

Finding the Fourth Proportional to 3,992.12, 5,503.76 and 2,795.50

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Solution

The fourth proportional to 3,992.12, 5,503.76 and 2,795.50 is: 3,854.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.12 : 5,503.76 = 2,795.50 : x
  2. Step 2: Convert to fraction form
    3,992.12/5,503.76 = 2,795.50/x
  3. Step 3: Cross multiply
    3,992.12x = 5,503.76 × 2,795.50
  4. Step 4: Simplify right side
    3,992.12x = 15,385,780.19
  5. Step 5: Solve for x
    x = 15,385,780.19/3,992.12
  6. Step 6: Final answer
    x = 3,854.03

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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.