Home / 2,922.39-4,033.65-1,664.16

Finding the Fourth Proportional to 2,922.39, 4,033.65 and 1,664.16

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Solution

The fourth proportional to 2,922.39, 4,033.65 and 1,664.16 is: 2,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.39 : 4,033.65 = 1,664.16 : x
  2. Step 2: Convert to fraction form
    2,922.39/4,033.65 = 1,664.16/x
  3. Step 3: Cross multiply
    2,922.39x = 4,033.65 × 1,664.16
  4. Step 4: Simplify right side
    2,922.39x = 6,712,638.98
  5. Step 5: Solve for x
    x = 6,712,638.98/2,922.39
  6. Step 6: Final answer
    x = 2,296.97

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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.