Home / 1,632.51-2,446.92-811.37

Finding the Fourth Proportional to 1,632.51, 2,446.92 and 811.37

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Solution

The fourth proportional to 1,632.51, 2,446.92 and 811.37 is: 1,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.51 : 2,446.92 = 811.37 : x
  2. Step 2: Convert to fraction form
    1,632.51/2,446.92 = 811.37/x
  3. Step 3: Cross multiply
    1,632.51x = 2,446.92 × 811.37
  4. Step 4: Simplify right side
    1,632.51x = 1,985,345.25
  5. Step 5: Solve for x
    x = 1,985,345.25/1,632.51
  6. Step 6: Final answer
    x = 1,216.13

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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.