Home / 1,879.11-2,594.16-1,171.17

Finding the Fourth Proportional to 1,879.11, 2,594.16 and 1,171.17

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Solution

The fourth proportional to 1,879.11, 2,594.16 and 1,171.17 is: 1,616.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.11 : 2,594.16 = 1,171.17 : x
  2. Step 2: Convert to fraction form
    1,879.11/2,594.16 = 1,171.17/x
  3. Step 3: Cross multiply
    1,879.11x = 2,594.16 × 1,171.17
  4. Step 4: Simplify right side
    1,879.11x = 3,038,202.37
  5. Step 5: Solve for x
    x = 3,038,202.37/1,879.11
  6. Step 6: Final answer
    x = 1,616.83

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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.