Home / 7,437.58-11,149.25-2,756.33

Finding the Fourth Proportional to 7,437.58, 11,149.25 and 2,756.33

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Solution

The fourth proportional to 7,437.58, 11,149.25 and 2,756.33 is: 4,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.58 : 11,149.25 = 2,756.33 : x
  2. Step 2: Convert to fraction form
    7,437.58/11,149.25 = 2,756.33/x
  3. Step 3: Cross multiply
    7,437.58x = 11,149.25 × 2,756.33
  4. Step 4: Simplify right side
    7,437.58x = 30,731,012.25
  5. Step 5: Solve for x
    x = 30,731,012.25/7,437.58
  6. Step 6: Final answer
    x = 4,131.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.