Home / 5,642.08-8,456.58-2,716.36

Finding the Fourth Proportional to 5,642.08, 8,456.58 and 2,716.36

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Solution

The fourth proportional to 5,642.08, 8,456.58 and 2,716.36 is: 4,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642.08 : 8,456.58 = 2,716.36 : x
  2. Step 2: Convert to fraction form
    5,642.08/8,456.58 = 2,716.36/x
  3. Step 3: Cross multiply
    5,642.08x = 8,456.58 × 2,716.36
  4. Step 4: Simplify right side
    5,642.08x = 22,971,115.65
  5. Step 5: Solve for x
    x = 22,971,115.65/5,642.08
  6. Step 6: Final answer
    x = 4,071.39

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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.