Home / 1,822.16-2,731.60-1,767.08

Finding the Fourth Proportional to 1,822.16, 2,731.60 and 1,767.08

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Solution

The fourth proportional to 1,822.16, 2,731.60 and 1,767.08 is: 2,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.16 : 2,731.60 = 1,767.08 : x
  2. Step 2: Convert to fraction form
    1,822.16/2,731.60 = 1,767.08/x
  3. Step 3: Cross multiply
    1,822.16x = 2,731.60 × 1,767.08
  4. Step 4: Simplify right side
    1,822.16x = 4,826,955.73
  5. Step 5: Solve for x
    x = 4,826,955.73/1,822.16
  6. Step 6: Final answer
    x = 2,649.03

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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.