Home / 2,940.60-4,406.04-2,073.12

Finding the Fourth Proportional to 2,940.60, 4,406.04 and 2,073.12

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Solution

The fourth proportional to 2,940.60, 4,406.04 and 2,073.12 is: 3,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.60 : 4,406.04 = 2,073.12 : x
  2. Step 2: Convert to fraction form
    2,940.60/4,406.04 = 2,073.12/x
  3. Step 3: Cross multiply
    2,940.60x = 4,406.04 × 2,073.12
  4. Step 4: Simplify right side
    2,940.60x = 9,134,249.64
  5. Step 5: Solve for x
    x = 9,134,249.64/2,940.60
  6. Step 6: Final answer
    x = 3,106.25

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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.