Home / 5,920.11-8,169.75-3,402.41

Finding the Fourth Proportional to 5,920.11, 8,169.75 and 3,402.41

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Solution

The fourth proportional to 5,920.11, 8,169.75 and 3,402.41 is: 4,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.11 : 8,169.75 = 3,402.41 : x
  2. Step 2: Convert to fraction form
    5,920.11/8,169.75 = 3,402.41/x
  3. Step 3: Cross multiply
    5,920.11x = 8,169.75 × 3,402.41
  4. Step 4: Simplify right side
    5,920.11x = 27,796,839.10
  5. Step 5: Solve for x
    x = 27,796,839.10/5,920.11
  6. Step 6: Final answer
    x = 4,695.32

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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.