Home / 4,869.66-6,720.62-2,982.48

Finding the Fourth Proportional to 4,869.66, 6,720.62 and 2,982.48

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Solution

The fourth proportional to 4,869.66, 6,720.62 and 2,982.48 is: 4,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.66 : 6,720.62 = 2,982.48 : x
  2. Step 2: Convert to fraction form
    4,869.66/6,720.62 = 2,982.48/x
  3. Step 3: Cross multiply
    4,869.66x = 6,720.62 × 2,982.48
  4. Step 4: Simplify right side
    4,869.66x = 20,044,114.74
  5. Step 5: Solve for x
    x = 20,044,114.74/4,869.66
  6. Step 6: Final answer
    x = 4,116.12

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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.