Home / 3,316.44-4,575.80-2,136.56

Finding the Fourth Proportional to 3,316.44, 4,575.80 and 2,136.56

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Solution

The fourth proportional to 3,316.44, 4,575.80 and 2,136.56 is: 2,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.44 : 4,575.80 = 2,136.56 : x
  2. Step 2: Convert to fraction form
    3,316.44/4,575.80 = 2,136.56/x
  3. Step 3: Cross multiply
    3,316.44x = 4,575.80 × 2,136.56
  4. Step 4: Simplify right side
    3,316.44x = 9,776,471.25
  5. Step 5: Solve for x
    x = 9,776,471.25/3,316.44
  6. Step 6: Final answer
    x = 2,947.88

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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.