Home / 2,660.12-3,671.52-1,822.52

Finding the Fourth Proportional to 2,660.12, 3,671.52 and 1,822.52

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Solution

The fourth proportional to 2,660.12, 3,671.52 and 1,822.52 is: 2,515.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.12 : 3,671.52 = 1,822.52 : x
  2. Step 2: Convert to fraction form
    2,660.12/3,671.52 = 1,822.52/x
  3. Step 3: Cross multiply
    2,660.12x = 3,671.52 × 1,822.52
  4. Step 4: Simplify right side
    2,660.12x = 6,691,418.63
  5. Step 5: Solve for x
    x = 6,691,418.63/2,660.12
  6. Step 6: Final answer
    x = 2,515.46

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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.