Home / 1,913.93-2,868.49-1,036.43

Finding the Fourth Proportional to 1,913.93, 2,868.49 and 1,036.43

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Solution

The fourth proportional to 1,913.93, 2,868.49 and 1,036.43 is: 1,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.93 : 2,868.49 = 1,036.43 : x
  2. Step 2: Convert to fraction form
    1,913.93/2,868.49 = 1,036.43/x
  3. Step 3: Cross multiply
    1,913.93x = 2,868.49 × 1,036.43
  4. Step 4: Simplify right side
    1,913.93x = 2,972,972.16
  5. Step 5: Solve for x
    x = 2,972,972.16/1,913.93
  6. Step 6: Final answer
    x = 1,553.34

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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.