Home / 3,091.38-4,266.18-1,694.16

Finding the Fourth Proportional to 3,091.38, 4,266.18 and 1,694.16

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Solution

The fourth proportional to 3,091.38, 4,266.18 and 1,694.16 is: 2,337.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.38 : 4,266.18 = 1,694.16 : x
  2. Step 2: Convert to fraction form
    3,091.38/4,266.18 = 1,694.16/x
  3. Step 3: Cross multiply
    3,091.38x = 4,266.18 × 1,694.16
  4. Step 4: Simplify right side
    3,091.38x = 7,227,591.51
  5. Step 5: Solve for x
    x = 7,227,591.51/3,091.38
  6. Step 6: Final answer
    x = 2,337.98

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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.