Home / 3,726.68-5,142.93-2,048.25

Finding the Fourth Proportional to 3,726.68, 5,142.93 and 2,048.25

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Solution

The fourth proportional to 3,726.68, 5,142.93 and 2,048.25 is: 2,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.68 : 5,142.93 = 2,048.25 : x
  2. Step 2: Convert to fraction form
    3,726.68/5,142.93 = 2,048.25/x
  3. Step 3: Cross multiply
    3,726.68x = 5,142.93 × 2,048.25
  4. Step 4: Simplify right side
    3,726.68x = 10,534,017.98
  5. Step 5: Solve for x
    x = 10,534,017.98/3,726.68
  6. Step 6: Final answer
    x = 2,826.65

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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.