Home / 1,809.36-2,495.93-1,179.09

Finding the Fourth Proportional to 1,809.36, 2,495.93 and 1,179.09

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Solution

The fourth proportional to 1,809.36, 2,495.93 and 1,179.09 is: 1,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.36 : 2,495.93 = 1,179.09 : x
  2. Step 2: Convert to fraction form
    1,809.36/2,495.93 = 1,179.09/x
  3. Step 3: Cross multiply
    1,809.36x = 2,495.93 × 1,179.09
  4. Step 4: Simplify right side
    1,809.36x = 2,942,920.21
  5. Step 5: Solve for x
    x = 2,942,920.21/1,809.36
  6. Step 6: Final answer
    x = 1,626.50

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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.