Home / 5,065.44-6,991.02-3,653.81

Finding the Fourth Proportional to 5,065.44, 6,991.02 and 3,653.81

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Solution

The fourth proportional to 5,065.44, 6,991.02 and 3,653.81 is: 5,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.44 : 6,991.02 = 3,653.81 : x
  2. Step 2: Convert to fraction form
    5,065.44/6,991.02 = 3,653.81/x
  3. Step 3: Cross multiply
    5,065.44x = 6,991.02 × 3,653.81
  4. Step 4: Simplify right side
    5,065.44x = 25,543,805.56
  5. Step 5: Solve for x
    x = 25,543,805.56/5,065.44
  6. Step 6: Final answer
    x = 5,042.76

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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.