Home / 3,822.41-5,275.18-2,143.93

Finding the Fourth Proportional to 3,822.41, 5,275.18 and 2,143.93

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Solution

The fourth proportional to 3,822.41, 5,275.18 and 2,143.93 is: 2,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.41 : 5,275.18 = 2,143.93 : x
  2. Step 2: Convert to fraction form
    3,822.41/5,275.18 = 2,143.93/x
  3. Step 3: Cross multiply
    3,822.41x = 5,275.18 × 2,143.93
  4. Step 4: Simplify right side
    3,822.41x = 11,309,616.04
  5. Step 5: Solve for x
    x = 11,309,616.04/3,822.41
  6. Step 6: Final answer
    x = 2,958.76

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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.