Home / 3,423.22-4,724.05-1,851.31

Finding the Fourth Proportional to 3,423.22, 4,724.05 and 1,851.31

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Solution

The fourth proportional to 3,423.22, 4,724.05 and 1,851.31 is: 2,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.22 : 4,724.05 = 1,851.31 : x
  2. Step 2: Convert to fraction form
    3,423.22/4,724.05 = 1,851.31/x
  3. Step 3: Cross multiply
    3,423.22x = 4,724.05 × 1,851.31
  4. Step 4: Simplify right side
    3,423.22x = 8,745,681.01
  5. Step 5: Solve for x
    x = 8,745,681.01/3,423.22
  6. Step 6: Final answer
    x = 2,554.81

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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.