Home / 1,963.24-2,708.08-1,542.92

Finding the Fourth Proportional to 1,963.24, 2,708.08 and 1,542.92

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Solution

The fourth proportional to 1,963.24, 2,708.08 and 1,542.92 is: 2,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.24 : 2,708.08 = 1,542.92 : x
  2. Step 2: Convert to fraction form
    1,963.24/2,708.08 = 1,542.92/x
  3. Step 3: Cross multiply
    1,963.24x = 2,708.08 × 1,542.92
  4. Step 4: Simplify right side
    1,963.24x = 4,178,364.92
  5. Step 5: Solve for x
    x = 4,178,364.92/1,963.24
  6. Step 6: Final answer
    x = 2,128.30

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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.