Home / 5,785.11-7,975.67-3,792.51

Finding the Fourth Proportional to 5,785.11, 7,975.67 and 3,792.51

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Solution

The fourth proportional to 5,785.11, 7,975.67 and 3,792.51 is: 5,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.11 : 7,975.67 = 3,792.51 : x
  2. Step 2: Convert to fraction form
    5,785.11/7,975.67 = 3,792.51/x
  3. Step 3: Cross multiply
    5,785.11x = 7,975.67 × 3,792.51
  4. Step 4: Simplify right side
    5,785.11x = 30,247,789.27
  5. Step 5: Solve for x
    x = 30,247,789.27/5,785.11
  6. Step 6: Final answer
    x = 5,228.56

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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.