Home / 5,369.38-8,051.10-1,857.49

Finding the Fourth Proportional to 5,369.38, 8,051.10 and 1,857.49

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Solution

The fourth proportional to 5,369.38, 8,051.10 and 1,857.49 is: 2,785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.38 : 8,051.10 = 1,857.49 : x
  2. Step 2: Convert to fraction form
    5,369.38/8,051.10 = 1,857.49/x
  3. Step 3: Cross multiply
    5,369.38x = 8,051.10 × 1,857.49
  4. Step 4: Simplify right side
    5,369.38x = 14,954,837.74
  5. Step 5: Solve for x
    x = 14,954,837.74/5,369.38
  6. Step 6: Final answer
    x = 2,785.21

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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.