Home / 3,454.36-5,174.64-2,356

Finding the Fourth Proportional to 3,454.36, 5,174.64 and 2,356

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Solution

The fourth proportional to 3,454.36, 5,174.64 and 2,356 is: 3,529.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.36 : 5,174.64 = 2,356 : x
  2. Step 2: Convert to fraction form
    3,454.36/5,174.64 = 2,356/x
  3. Step 3: Cross multiply
    3,454.36x = 5,174.64 × 2,356
  4. Step 4: Simplify right side
    3,454.36x = 12,191,451.84
  5. Step 5: Solve for x
    x = 12,191,451.84/3,454.36
  6. Step 6: Final answer
    x = 3,529.29

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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.