Home / 5,647.58-8,472.15-2,359.90

Finding the Fourth Proportional to 5,647.58, 8,472.15 and 2,359.90

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Solution

The fourth proportional to 5,647.58, 8,472.15 and 2,359.90 is: 3,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.58 : 8,472.15 = 2,359.90 : x
  2. Step 2: Convert to fraction form
    5,647.58/8,472.15 = 2,359.90/x
  3. Step 3: Cross multiply
    5,647.58x = 8,472.15 × 2,359.90
  4. Step 4: Simplify right side
    5,647.58x = 19,993,414.99
  5. Step 5: Solve for x
    x = 19,993,414.99/5,647.58
  6. Step 6: Final answer
    x = 3,540.17

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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.