Home / 4,154.21-5,731.58-2,474.78

Finding the Fourth Proportional to 4,154.21, 5,731.58 and 2,474.78

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Solution

The fourth proportional to 4,154.21, 5,731.58 and 2,474.78 is: 3,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.21 : 5,731.58 = 2,474.78 : x
  2. Step 2: Convert to fraction form
    4,154.21/5,731.58 = 2,474.78/x
  3. Step 3: Cross multiply
    4,154.21x = 5,731.58 × 2,474.78
  4. Step 4: Simplify right side
    4,154.21x = 14,184,358.52
  5. Step 5: Solve for x
    x = 14,184,358.52/4,154.21
  6. Step 6: Final answer
    x = 3,414.46

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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.