Home / 5,174.36-7,761.59-2,055.12

Finding the Fourth Proportional to 5,174.36, 7,761.59 and 2,055.12

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Solution

The fourth proportional to 5,174.36, 7,761.59 and 2,055.12 is: 3,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.36 : 7,761.59 = 2,055.12 : x
  2. Step 2: Convert to fraction form
    5,174.36/7,761.59 = 2,055.12/x
  3. Step 3: Cross multiply
    5,174.36x = 7,761.59 × 2,055.12
  4. Step 4: Simplify right side
    5,174.36x = 15,950,988.57
  5. Step 5: Solve for x
    x = 15,950,988.57/5,174.36
  6. Step 6: Final answer
    x = 3,082.70

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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.