Home / 3,575.89-4,934.55-1,982.53

Finding the Fourth Proportional to 3,575.89, 4,934.55 and 1,982.53

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Solution

The fourth proportional to 3,575.89, 4,934.55 and 1,982.53 is: 2,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.89 : 4,934.55 = 1,982.53 : x
  2. Step 2: Convert to fraction form
    3,575.89/4,934.55 = 1,982.53/x
  3. Step 3: Cross multiply
    3,575.89x = 4,934.55 × 1,982.53
  4. Step 4: Simplify right side
    3,575.89x = 9,782,907.01
  5. Step 5: Solve for x
    x = 9,782,907.01/3,575.89
  6. Step 6: Final answer
    x = 2,735.80

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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.