Home / 1,838.05-2,533.56-1,439.04

Finding the Fourth Proportional to 1,838.05, 2,533.56 and 1,439.04

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Solution

The fourth proportional to 1,838.05, 2,533.56 and 1,439.04 is: 1,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.05 : 2,533.56 = 1,439.04 : x
  2. Step 2: Convert to fraction form
    1,838.05/2,533.56 = 1,439.04/x
  3. Step 3: Cross multiply
    1,838.05x = 2,533.56 × 1,439.04
  4. Step 4: Simplify right side
    1,838.05x = 3,645,894.18
  5. Step 5: Solve for x
    x = 3,645,894.18/1,838.05
  6. Step 6: Final answer
    x = 1,983.57

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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.