Home / 5,185.49-7,154.82-3,294.81

Finding the Fourth Proportional to 5,185.49, 7,154.82 and 3,294.81

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Solution

The fourth proportional to 5,185.49, 7,154.82 and 3,294.81 is: 4,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.49 : 7,154.82 = 3,294.81 : x
  2. Step 2: Convert to fraction form
    5,185.49/7,154.82 = 3,294.81/x
  3. Step 3: Cross multiply
    5,185.49x = 7,154.82 × 3,294.81
  4. Step 4: Simplify right side
    5,185.49x = 23,573,772.48
  5. Step 5: Solve for x
    x = 23,573,772.48/5,185.49
  6. Step 6: Final answer
    x = 4,546.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.