Home / 5,185.92-7,156.49-3,061.44

Finding the Fourth Proportional to 5,185.92, 7,156.49 and 3,061.44

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Solution

The fourth proportional to 5,185.92, 7,156.49 and 3,061.44 is: 4,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.92 : 7,156.49 = 3,061.44 : x
  2. Step 2: Convert to fraction form
    5,185.92/7,156.49 = 3,061.44/x
  3. Step 3: Cross multiply
    5,185.92x = 7,156.49 × 3,061.44
  4. Step 4: Simplify right side
    5,185.92x = 21,909,164.75
  5. Step 5: Solve for x
    x = 21,909,164.75/5,185.92
  6. Step 6: Final answer
    x = 4,224.74

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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.