Home / 3,726.92-5,143.28-2,048.45

Finding the Fourth Proportional to 3,726.92, 5,143.28 and 2,048.45

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Solution

The fourth proportional to 3,726.92, 5,143.28 and 2,048.45 is: 2,826.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.92 : 5,143.28 = 2,048.45 : x
  2. Step 2: Convert to fraction form
    3,726.92/5,143.28 = 2,048.45/x
  3. Step 3: Cross multiply
    3,726.92x = 5,143.28 × 2,048.45
  4. Step 4: Simplify right side
    3,726.92x = 10,535,715.96
  5. Step 5: Solve for x
    x = 10,535,715.96/3,726.92
  6. Step 6: Final answer
    x = 2,826.92

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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.