Home / 5,901.39-8,143.92-3,543.55

Finding the Fourth Proportional to 5,901.39, 8,143.92 and 3,543.55

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Solution

The fourth proportional to 5,901.39, 8,143.92 and 3,543.55 is: 4,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,901.39 : 8,143.92 = 3,543.55 : x
  2. Step 2: Convert to fraction form
    5,901.39/8,143.92 = 3,543.55/x
  3. Step 3: Cross multiply
    5,901.39x = 8,143.92 × 3,543.55
  4. Step 4: Simplify right side
    5,901.39x = 28,858,367.36
  5. Step 5: Solve for x
    x = 28,858,367.36/5,901.39
  6. Step 6: Final answer
    x = 4,890.10

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Double scale
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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.