Home / 7,437.52-11,153.22-2,757.79

Finding the Fourth Proportional to 7,437.52, 11,153.22 and 2,757.79

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Solution

The fourth proportional to 7,437.52, 11,153.22 and 2,757.79 is: 4,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.52 : 11,153.22 = 2,757.79 : x
  2. Step 2: Convert to fraction form
    7,437.52/11,153.22 = 2,757.79/x
  3. Step 3: Cross multiply
    7,437.52x = 11,153.22 × 2,757.79
  4. Step 4: Simplify right side
    7,437.52x = 30,758,238.58
  5. Step 5: Solve for x
    x = 30,758,238.58/7,437.52
  6. Step 6: Final answer
    x = 4,135.55

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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.