Home / 4,109.91-5,671.13-2,431.41

Finding the Fourth Proportional to 4,109.91, 5,671.13 and 2,431.41

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Solution

The fourth proportional to 4,109.91, 5,671.13 and 2,431.41 is: 3,355.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.91 : 5,671.13 = 2,431.41 : x
  2. Step 2: Convert to fraction form
    4,109.91/5,671.13 = 2,431.41/x
  3. Step 3: Cross multiply
    4,109.91x = 5,671.13 × 2,431.41
  4. Step 4: Simplify right side
    4,109.91x = 13,788,830.04
  5. Step 5: Solve for x
    x = 13,788,830.04/4,109.91
  6. Step 6: Final answer
    x = 3,355.02

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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.