Home / 2,932.17-4,046.40-1,605.90

Finding the Fourth Proportional to 2,932.17, 4,046.40 and 1,605.90

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Solution

The fourth proportional to 2,932.17, 4,046.40 and 1,605.90 is: 2,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.17 : 4,046.40 = 1,605.90 : x
  2. Step 2: Convert to fraction form
    2,932.17/4,046.40 = 1,605.90/x
  3. Step 3: Cross multiply
    2,932.17x = 4,046.40 × 1,605.90
  4. Step 4: Simplify right side
    2,932.17x = 6,498,113.76
  5. Step 5: Solve for x
    x = 6,498,113.76/2,932.17
  6. Step 6: Final answer
    x = 2,216.14

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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.