Home / 2,240.23-3,354.68-1,655.41

Finding the Fourth Proportional to 2,240.23, 3,354.68 and 1,655.41

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Solution

The fourth proportional to 2,240.23, 3,354.68 and 1,655.41 is: 2,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.23 : 3,354.68 = 1,655.41 : x
  2. Step 2: Convert to fraction form
    2,240.23/3,354.68 = 1,655.41/x
  3. Step 3: Cross multiply
    2,240.23x = 3,354.68 × 1,655.41
  4. Step 4: Simplify right side
    2,240.23x = 5,553,362.54
  5. Step 5: Solve for x
    x = 5,553,362.54/2,240.23
  6. Step 6: Final answer
    x = 2,478.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.