Home / 5,458.48-8,188.32-2,537.68

Finding the Fourth Proportional to 5,458.48, 8,188.32 and 2,537.68

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Solution

The fourth proportional to 5,458.48, 8,188.32 and 2,537.68 is: 3,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.48 : 8,188.32 = 2,537.68 : x
  2. Step 2: Convert to fraction form
    5,458.48/8,188.32 = 2,537.68/x
  3. Step 3: Cross multiply
    5,458.48x = 8,188.32 × 2,537.68
  4. Step 4: Simplify right side
    5,458.48x = 20,779,335.90
  5. Step 5: Solve for x
    x = 20,779,335.90/5,458.48
  6. Step 6: Final answer
    x = 3,806.80

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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.