Home / 3,726.84-5,143.06-2,048.38

Finding the Fourth Proportional to 3,726.84, 5,143.06 and 2,048.38

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Solution

The fourth proportional to 3,726.84, 5,143.06 and 2,048.38 is: 2,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.84 : 5,143.06 = 2,048.38 : x
  2. Step 2: Convert to fraction form
    3,726.84/5,143.06 = 2,048.38/x
  3. Step 3: Cross multiply
    3,726.84x = 5,143.06 × 2,048.38
  4. Step 4: Simplify right side
    3,726.84x = 10,534,941.24
  5. Step 5: Solve for x
    x = 10,534,941.24/3,726.84
  6. Step 6: Final answer
    x = 2,826.78

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1.5x scale

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.