Home / 4,630.91-6,386.42-3,961.24

Finding the Fourth Proportional to 4,630.91, 6,386.42 and 3,961.24

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Solution

The fourth proportional to 4,630.91, 6,386.42 and 3,961.24 is: 5,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.91 : 6,386.42 = 3,961.24 : x
  2. Step 2: Convert to fraction form
    4,630.91/6,386.42 = 3,961.24/x
  3. Step 3: Cross multiply
    4,630.91x = 6,386.42 × 3,961.24
  4. Step 4: Simplify right side
    4,630.91x = 25,298,155.70
  5. Step 5: Solve for x
    x = 25,298,155.70/4,630.91
  6. Step 6: Final answer
    x = 5,462.89

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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.