Home / 5,276.44-7,281.50-3,180.97

Finding the Fourth Proportional to 5,276.44, 7,281.50 and 3,180.97

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Solution

The fourth proportional to 5,276.44, 7,281.50 and 3,180.97 is: 4,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.44 : 7,281.50 = 3,180.97 : x
  2. Step 2: Convert to fraction form
    5,276.44/7,281.50 = 3,180.97/x
  3. Step 3: Cross multiply
    5,276.44x = 7,281.50 × 3,180.97
  4. Step 4: Simplify right side
    5,276.44x = 23,162,233.06
  5. Step 5: Solve for x
    x = 23,162,233.06/5,276.44
  6. Step 6: Final answer
    x = 4,389.75

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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.