Home / 1,838.87-2,535.72-1,419.29

Finding the Fourth Proportional to 1,838.87, 2,535.72 and 1,419.29

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Solution

The fourth proportional to 1,838.87, 2,535.72 and 1,419.29 is: 1,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.87 : 2,535.72 = 1,419.29 : x
  2. Step 2: Convert to fraction form
    1,838.87/2,535.72 = 1,419.29/x
  3. Step 3: Cross multiply
    1,838.87x = 2,535.72 × 1,419.29
  4. Step 4: Simplify right side
    1,838.87x = 3,598,909.36
  5. Step 5: Solve for x
    x = 3,598,909.36/1,838.87
  6. Step 6: Final answer
    x = 1,957.14

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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.