Home / 3,442.99-4,751.37-1,871.12

Finding the Fourth Proportional to 3,442.99, 4,751.37 and 1,871.12

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Solution

The fourth proportional to 3,442.99, 4,751.37 and 1,871.12 is: 2,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.99 : 4,751.37 = 1,871.12 : x
  2. Step 2: Convert to fraction form
    3,442.99/4,751.37 = 1,871.12/x
  3. Step 3: Cross multiply
    3,442.99x = 4,751.37 × 1,871.12
  4. Step 4: Simplify right side
    3,442.99x = 8,890,359.68
  5. Step 5: Solve for x
    x = 8,890,359.68/3,442.99
  6. Step 6: Final answer
    x = 2,582.16

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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.