Home / 5,517.84-8,275.65-2,705.48

Finding the Fourth Proportional to 5,517.84, 8,275.65 and 2,705.48

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Solution

The fourth proportional to 5,517.84, 8,275.65 and 2,705.48 is: 4,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.84 : 8,275.65 = 2,705.48 : x
  2. Step 2: Convert to fraction form
    5,517.84/8,275.65 = 2,705.48/x
  3. Step 3: Cross multiply
    5,517.84x = 8,275.65 × 2,705.48
  4. Step 4: Simplify right side
    5,517.84x = 22,389,564.18
  5. Step 5: Solve for x
    x = 22,389,564.18/5,517.84
  6. Step 6: Final answer
    x = 4,057.67

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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.