Home / 5,043.49-7,566.87-2,121.01

Finding the Fourth Proportional to 5,043.49, 7,566.87 and 2,121.01

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Solution

The fourth proportional to 5,043.49, 7,566.87 and 2,121.01 is: 3,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.49 : 7,566.87 = 2,121.01 : x
  2. Step 2: Convert to fraction form
    5,043.49/7,566.87 = 2,121.01/x
  3. Step 3: Cross multiply
    5,043.49x = 7,566.87 × 2,121.01
  4. Step 4: Simplify right side
    5,043.49x = 16,049,369.10
  5. Step 5: Solve for x
    x = 16,049,369.10/5,043.49
  6. Step 6: Final answer
    x = 3,182.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.