Home / 1,644.16-2,266.22-1,164.99

Finding the Fourth Proportional to 1,644.16, 2,266.22 and 1,164.99

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Solution

The fourth proportional to 1,644.16, 2,266.22 and 1,164.99 is: 1,605.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.16 : 2,266.22 = 1,164.99 : x
  2. Step 2: Convert to fraction form
    1,644.16/2,266.22 = 1,164.99/x
  3. Step 3: Cross multiply
    1,644.16x = 2,266.22 × 1,164.99
  4. Step 4: Simplify right side
    1,644.16x = 2,640,123.64
  5. Step 5: Solve for x
    x = 2,640,123.64/1,644.16
  6. Step 6: Final answer
    x = 1,605.76

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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.