Home / 3,191.16-4,785.18-1,892.28

Finding the Fourth Proportional to 3,191.16, 4,785.18 and 1,892.28

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Solution

The fourth proportional to 3,191.16, 4,785.18 and 1,892.28 is: 2,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.16 : 4,785.18 = 1,892.28 : x
  2. Step 2: Convert to fraction form
    3,191.16/4,785.18 = 1,892.28/x
  3. Step 3: Cross multiply
    3,191.16x = 4,785.18 × 1,892.28
  4. Step 4: Simplify right side
    3,191.16x = 9,054,900.41
  5. Step 5: Solve for x
    x = 9,054,900.41/3,191.16
  6. Step 6: Final answer
    x = 2,837.49

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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.