Home / 8,291.29-12,435.70-3,025.07

Finding the Fourth Proportional to 8,291.29, 12,435.70 and 3,025.07

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Solution

The fourth proportional to 8,291.29, 12,435.70 and 3,025.07 is: 4,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.29 : 12,435.70 = 3,025.07 : x
  2. Step 2: Convert to fraction form
    8,291.29/12,435.70 = 3,025.07/x
  3. Step 3: Cross multiply
    8,291.29x = 12,435.70 × 3,025.07
  4. Step 4: Simplify right side
    8,291.29x = 37,618,793.26
  5. Step 5: Solve for x
    x = 37,618,793.26/8,291.29
  6. Step 6: Final answer
    x = 4,537.15

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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.