Home / 5,541.60-7,647.54-3,151.96

Finding the Fourth Proportional to 5,541.60, 7,647.54 and 3,151.96

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Solution

The fourth proportional to 5,541.60, 7,647.54 and 3,151.96 is: 4,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.60 : 7,647.54 = 3,151.96 : x
  2. Step 2: Convert to fraction form
    5,541.60/7,647.54 = 3,151.96/x
  3. Step 3: Cross multiply
    5,541.60x = 7,647.54 × 3,151.96
  4. Step 4: Simplify right side
    5,541.60x = 24,104,740.18
  5. Step 5: Solve for x
    x = 24,104,740.18/5,541.60
  6. Step 6: Final answer
    x = 4,349.78

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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.