Home / 3,782.06-5,673.70-1,591.42

Finding the Fourth Proportional to 3,782.06, 5,673.70 and 1,591.42

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Solution

The fourth proportional to 3,782.06, 5,673.70 and 1,591.42 is: 2,387.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.06 : 5,673.70 = 1,591.42 : x
  2. Step 2: Convert to fraction form
    3,782.06/5,673.70 = 1,591.42/x
  3. Step 3: Cross multiply
    3,782.06x = 5,673.70 × 1,591.42
  4. Step 4: Simplify right side
    3,782.06x = 9,029,239.65
  5. Step 5: Solve for x
    x = 9,029,239.65/3,782.06
  6. Step 6: Final answer
    x = 2,387.39

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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.