Home / 5,061.72-6,985.78-2,965.85

Finding the Fourth Proportional to 5,061.72, 6,985.78 and 2,965.85

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Solution

The fourth proportional to 5,061.72, 6,985.78 and 2,965.85 is: 4,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.72 : 6,985.78 = 2,965.85 : x
  2. Step 2: Convert to fraction form
    5,061.72/6,985.78 = 2,965.85/x
  3. Step 3: Cross multiply
    5,061.72x = 6,985.78 × 2,965.85
  4. Step 4: Simplify right side
    5,061.72x = 20,718,740.68
  5. Step 5: Solve for x
    x = 20,718,740.68/5,061.72
  6. Step 6: Final answer
    x = 4,093.22

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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.