Home / 4,274.32-5,898.14-3,155.86

Finding the Fourth Proportional to 4,274.32, 5,898.14 and 3,155.86

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Solution

The fourth proportional to 4,274.32, 5,898.14 and 3,155.86 is: 4,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.32 : 5,898.14 = 3,155.86 : x
  2. Step 2: Convert to fraction form
    4,274.32/5,898.14 = 3,155.86/x
  3. Step 3: Cross multiply
    4,274.32x = 5,898.14 × 3,155.86
  4. Step 4: Simplify right side
    4,274.32x = 18,613,704.10
  5. Step 5: Solve for x
    x = 18,613,704.10/4,274.32
  6. Step 6: Final answer
    x = 4,354.78

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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.