Home / 4,109.61-5,671.31-2,341.21

Finding the Fourth Proportional to 4,109.61, 5,671.31 and 2,341.21

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Solution

The fourth proportional to 4,109.61, 5,671.31 and 2,341.21 is: 3,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.61 : 5,671.31 = 2,341.21 : x
  2. Step 2: Convert to fraction form
    4,109.61/5,671.31 = 2,341.21/x
  3. Step 3: Cross multiply
    4,109.61x = 5,671.31 × 2,341.21
  4. Step 4: Simplify right side
    4,109.61x = 13,277,727.69
  5. Step 5: Solve for x
    x = 13,277,727.69/4,109.61
  6. Step 6: Final answer
    x = 3,230.90

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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.