Home / 3,125.44-4,687.01-933.42

Finding the Fourth Proportional to 3,125.44, 4,687.01 and 933.42

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Solution

The fourth proportional to 3,125.44, 4,687.01 and 933.42 is: 1,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.44 : 4,687.01 = 933.42 : x
  2. Step 2: Convert to fraction form
    3,125.44/4,687.01 = 933.42/x
  3. Step 3: Cross multiply
    3,125.44x = 4,687.01 × 933.42
  4. Step 4: Simplify right side
    3,125.44x = 4,374,948.87
  5. Step 5: Solve for x
    x = 4,374,948.87/3,125.44
  6. Step 6: Final answer
    x = 1,399.79

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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.