Home / 5,901.38-8,143.91-3,543.54

Finding the Fourth Proportional to 5,901.38, 8,143.91 and 3,543.54

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Solution

The fourth proportional to 5,901.38, 8,143.91 and 3,543.54 is: 4,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,901.38 : 8,143.91 = 3,543.54 : x
  2. Step 2: Convert to fraction form
    5,901.38/8,143.91 = 3,543.54/x
  3. Step 3: Cross multiply
    5,901.38x = 8,143.91 × 3,543.54
  4. Step 4: Simplify right side
    5,901.38x = 28,858,253.12
  5. Step 5: Solve for x
    x = 28,858,253.12/5,901.38
  6. Step 6: Final answer
    x = 4,890.09

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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.