Home / 2,415.82-3,623.12-1,116.94

Finding the Fourth Proportional to 2,415.82, 3,623.12 and 1,116.94

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Solution

The fourth proportional to 2,415.82, 3,623.12 and 1,116.94 is: 1,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.82 : 3,623.12 = 1,116.94 : x
  2. Step 2: Convert to fraction form
    2,415.82/3,623.12 = 1,116.94/x
  3. Step 3: Cross multiply
    2,415.82x = 3,623.12 × 1,116.94
  4. Step 4: Simplify right side
    2,415.82x = 4,046,807.65
  5. Step 5: Solve for x
    x = 4,046,807.65/2,415.82
  6. Step 6: Final answer
    x = 1,675.13

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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.