Home / 5,481.19-7,564.12-3,243.00

Finding the Fourth Proportional to 5,481.19, 7,564.12 and 3,243.00

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Solution

The fourth proportional to 5,481.19, 7,564.12 and 3,243.00 is: 4,475.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.19 : 7,564.12 = 3,243.00 : x
  2. Step 2: Convert to fraction form
    5,481.19/7,564.12 = 3,243.00/x
  3. Step 3: Cross multiply
    5,481.19x = 7,564.12 × 3,243.00
  4. Step 4: Simplify right side
    5,481.19x = 24,530,461.42
  5. Step 5: Solve for x
    x = 24,530,461.42/5,481.19
  6. Step 6: Final answer
    x = 4,475.39

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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.