Home / 3,975.18-5,933.40-3,728.94

Finding the Fourth Proportional to 3,975.18, 5,933.40 and 3,728.94

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Solution

The fourth proportional to 3,975.18, 5,933.40 and 3,728.94 is: 5,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.18 : 5,933.40 = 3,728.94 : x
  2. Step 2: Convert to fraction form
    3,975.18/5,933.40 = 3,728.94/x
  3. Step 3: Cross multiply
    3,975.18x = 5,933.40 × 3,728.94
  4. Step 4: Simplify right side
    3,975.18x = 22,125,292.60
  5. Step 5: Solve for x
    x = 22,125,292.60/3,975.18
  6. Step 6: Final answer
    x = 5,565.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.