Home / 5,643.88-8,468.38-2,359.06

Finding the Fourth Proportional to 5,643.88, 8,468.38 and 2,359.06

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Solution

The fourth proportional to 5,643.88, 8,468.38 and 2,359.06 is: 3,539.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.88 : 8,468.38 = 2,359.06 : x
  2. Step 2: Convert to fraction form
    5,643.88/8,468.38 = 2,359.06/x
  3. Step 3: Cross multiply
    5,643.88x = 8,468.38 × 2,359.06
  4. Step 4: Simplify right side
    5,643.88x = 19,977,398.30
  5. Step 5: Solve for x
    x = 19,977,398.30/5,643.88
  6. Step 6: Final answer
    x = 3,539.66

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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.