Home / 3,765.93-5,196.85-2,087.49

Finding the Fourth Proportional to 3,765.93, 5,196.85 and 2,087.49

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Solution

The fourth proportional to 3,765.93, 5,196.85 and 2,087.49 is: 2,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.93 : 5,196.85 = 2,087.49 : x
  2. Step 2: Convert to fraction form
    3,765.93/5,196.85 = 2,087.49/x
  3. Step 3: Cross multiply
    3,765.93x = 5,196.85 × 2,087.49
  4. Step 4: Simplify right side
    3,765.93x = 10,848,367.19
  5. Step 5: Solve for x
    x = 10,848,367.19/3,765.93
  6. Step 6: Final answer
    x = 2,880.66

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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.