Home / 5,517.89-8,265.15-4,342.31

Finding the Fourth Proportional to 5,517.89, 8,265.15 and 4,342.31

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Solution

The fourth proportional to 5,517.89, 8,265.15 and 4,342.31 is: 6,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.89 : 8,265.15 = 4,342.31 : x
  2. Step 2: Convert to fraction form
    5,517.89/8,265.15 = 4,342.31/x
  3. Step 3: Cross multiply
    5,517.89x = 8,265.15 × 4,342.31
  4. Step 4: Simplify right side
    5,517.89x = 35,889,802.17
  5. Step 5: Solve for x
    x = 35,889,802.17/5,517.89
  6. Step 6: Final answer
    x = 6,504.27

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1.5x scale

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.