Home / 1,914.66-2,872.14-616.17

Finding the Fourth Proportional to 1,914.66, 2,872.14 and 616.17

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Solution

The fourth proportional to 1,914.66, 2,872.14 and 616.17 is: 924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.66 : 2,872.14 = 616.17 : x
  2. Step 2: Convert to fraction form
    1,914.66/2,872.14 = 616.17/x
  3. Step 3: Cross multiply
    1,914.66x = 2,872.14 × 616.17
  4. Step 4: Simplify right side
    1,914.66x = 1,769,726.50
  5. Step 5: Solve for x
    x = 1,769,726.50/1,914.66
  6. Step 6: Final answer
    x = 924.30

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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.