Home / 5,422.48-8,135.54-2,302.36

Finding the Fourth Proportional to 5,422.48, 8,135.54 and 2,302.36

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Solution

The fourth proportional to 5,422.48, 8,135.54 and 2,302.36 is: 3,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.48 : 8,135.54 = 2,302.36 : x
  2. Step 2: Convert to fraction form
    5,422.48/8,135.54 = 2,302.36/x
  3. Step 3: Cross multiply
    5,422.48x = 8,135.54 × 2,302.36
  4. Step 4: Simplify right side
    5,422.48x = 18,730,941.87
  5. Step 5: Solve for x
    x = 18,730,941.87/5,422.48
  6. Step 6: Final answer
    x = 3,454.31

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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.