Home / 5,638.52-8,458.32-2,176.04

Finding the Fourth Proportional to 5,638.52, 8,458.32 and 2,176.04

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Solution

The fourth proportional to 5,638.52, 8,458.32 and 2,176.04 is: 3,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.52 : 8,458.32 = 2,176.04 : x
  2. Step 2: Convert to fraction form
    5,638.52/8,458.32 = 2,176.04/x
  3. Step 3: Cross multiply
    5,638.52x = 8,458.32 × 2,176.04
  4. Step 4: Simplify right side
    5,638.52x = 18,405,642.65
  5. Step 5: Solve for x
    x = 18,405,642.65/5,638.52
  6. Step 6: Final answer
    x = 3,264.27

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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.