Home / 4,196.45-5,791.03-2,870.11

Finding the Fourth Proportional to 4,196.45, 5,791.03 and 2,870.11

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Solution

The fourth proportional to 4,196.45, 5,791.03 and 2,870.11 is: 3,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,196.45 : 5,791.03 = 2,870.11 : x
  2. Step 2: Convert to fraction form
    4,196.45/5,791.03 = 2,870.11/x
  3. Step 3: Cross multiply
    4,196.45x = 5,791.03 × 2,870.11
  4. Step 4: Simplify right side
    4,196.45x = 16,620,893.18
  5. Step 5: Solve for x
    x = 16,620,893.18/4,196.45
  6. Step 6: Final answer
    x = 3,960.70

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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.