Home / 4,191.10-6,286.65-4,126.30

Finding the Fourth Proportional to 4,191.10, 6,286.65 and 4,126.30

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Solution

The fourth proportional to 4,191.10, 6,286.65 and 4,126.30 is: 6,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.10 : 6,286.65 = 4,126.30 : x
  2. Step 2: Convert to fraction form
    4,191.10/6,286.65 = 4,126.30/x
  3. Step 3: Cross multiply
    4,191.10x = 6,286.65 × 4,126.30
  4. Step 4: Simplify right side
    4,191.10x = 25,940,603.90
  5. Step 5: Solve for x
    x = 25,940,603.90/4,191.10
  6. Step 6: Final answer
    x = 6,189.45

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Double scale
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Similar ratio
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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.