Home / 1,914.59-2,872.44-616.02

Finding the Fourth Proportional to 1,914.59, 2,872.44 and 616.02

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Solution

The fourth proportional to 1,914.59, 2,872.44 and 616.02 is: 924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.59 : 2,872.44 = 616.02 : x
  2. Step 2: Convert to fraction form
    1,914.59/2,872.44 = 616.02/x
  3. Step 3: Cross multiply
    1,914.59x = 2,872.44 × 616.02
  4. Step 4: Simplify right side
    1,914.59x = 1,769,480.49
  5. Step 5: Solve for x
    x = 1,769,480.49/1,914.59
  6. Step 6: Final answer
    x = 924.21

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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.