Home / 4,074.80-5,621.78-2,306.02

Finding the Fourth Proportional to 4,074.80, 5,621.78 and 2,306.02

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Solution

The fourth proportional to 4,074.80, 5,621.78 and 2,306.02 is: 3,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.80 : 5,621.78 = 2,306.02 : x
  2. Step 2: Convert to fraction form
    4,074.80/5,621.78 = 2,306.02/x
  3. Step 3: Cross multiply
    4,074.80x = 5,621.78 × 2,306.02
  4. Step 4: Simplify right side
    4,074.80x = 12,963,937.12
  5. Step 5: Solve for x
    x = 12,963,937.12/4,074.80
  6. Step 6: Final answer
    x = 3,181.49

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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.