Home / 3,785.94-5,673.66-2,860.74

Finding the Fourth Proportional to 3,785.94, 5,673.66 and 2,860.74

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Solution

The fourth proportional to 3,785.94, 5,673.66 and 2,860.74 is: 4,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.94 : 5,673.66 = 2,860.74 : x
  2. Step 2: Convert to fraction form
    3,785.94/5,673.66 = 2,860.74/x
  3. Step 3: Cross multiply
    3,785.94x = 5,673.66 × 2,860.74
  4. Step 4: Simplify right side
    3,785.94x = 16,230,866.11
  5. Step 5: Solve for x
    x = 16,230,866.11/3,785.94
  6. Step 6: Final answer
    x = 4,287.14

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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.