Home / 5,456.52-7,530.70-3,331.61

Finding the Fourth Proportional to 5,456.52, 7,530.70 and 3,331.61

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Solution

The fourth proportional to 5,456.52, 7,530.70 and 3,331.61 is: 4,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.52 : 7,530.70 = 3,331.61 : x
  2. Step 2: Convert to fraction form
    5,456.52/7,530.70 = 3,331.61/x
  3. Step 3: Cross multiply
    5,456.52x = 7,530.70 × 3,331.61
  4. Step 4: Simplify right side
    5,456.52x = 25,089,355.43
  5. Step 5: Solve for x
    x = 25,089,355.43/5,456.52
  6. Step 6: Final answer
    x = 4,598.05

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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.