Home / 5,501.93-8,221.50-4,178.39

Finding the Fourth Proportional to 5,501.93, 8,221.50 and 4,178.39

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Solution

The fourth proportional to 5,501.93, 8,221.50 and 4,178.39 is: 6,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501.93 : 8,221.50 = 4,178.39 : x
  2. Step 2: Convert to fraction form
    5,501.93/8,221.50 = 4,178.39/x
  3. Step 3: Cross multiply
    5,501.93x = 8,221.50 × 4,178.39
  4. Step 4: Simplify right side
    5,501.93x = 34,352,592.28
  5. Step 5: Solve for x
    x = 34,352,592.28/5,501.93
  6. Step 6: Final answer
    x = 6,243.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.